.
No, His prophetic words/visions do not create the future of everyone's individual life. God's prophecies of that time, were only for Israel's benefit/well being, and they were to heed His foreknowlege, that He declared to them, so that they might be ready for when they were fulfilled.
[Words in brackets] are my insertions of understanding:
Isaiah 48[3] I have declared [told] the former [past] things from the beginning [before they come to pass] ; and they [my prophecies] went forth out of my mouth, and I shewed them [to thee];
I did them suddenly [as I had previously declared them], and they came to pass.
[4] Because I knew that thou art obstinate, and thy neck is an iron sinew, and thy brow brass;
[5] I have even from the beginning [in the past] declared it to thee; [that] before it came to pass I shewed it [my prophecies to] thee:
I understand Isaiah differently. Did you notice what God said as to
why he told them the future? Not so that they might be ready for when they were fulfilled.
Therefore I declared
them to you long ago,
Before they took place I proclaimed
them to you,
So that you would not say, ‘My idol has done them,
And my graven image and my molten image have commanded them.’
The central issue here is the question, "who is the real God?" Israel is worshipping idols, thinking that a real god exists behind that idol. And her false gods will give Israel good crops, lots of children, and protection from enemies. Throughout Isaiah, God argues that the gods Israel worship are gods of their own imagination. The idols they build are made by their own hand.
In order to understand this argument one needs to know the role of a god. When the Lord claims that he will be a "god" to Israel, he is claiming that he has the power and the will to bless them in material ways. He has already proven, by his action, the ability and willingness to bring about a good harvest; he has the ability to bring forth children where it looked impossible; and he has the ability to keep enemies from attacking. But although he did all of this for them, they give idols the credit.
Not only is the Lord teaching Israel the concept of a monotheistic God; he is teaching them the concept of a transcendent creator God. The Lord is much more than a strong powerful entity with the ability to manipulate nature and bend it to his will. He is the creator, who brings things into existence that didn't exist before. (John 1:3) The Lord highlights this fact in verses 6 and 7.
6“You have heard; look at all this.
And you, will you not declare it?
I proclaim to you new things from this time,
Even hidden things which you have not known.
7 “
They are created now and not long ago;
And before today you have not heard them,
So that you will not say, ‘Behold, I knew them.’
The Lord asserts that he creates things as they happen. He creates things
now, not long ago. That is, The Lord is not predicting the future as seer might. When the Lord declares something in advance, he telling Israel what he will create in the future. Let me repeat that. The Lord's foreknowledge contains his plans for what he intends to create in the future. God's foreknowledge is NOT seeing what will happen in the future. God's foreknowledge is declaring what he will create in the future.
Why does God declare that he creates things as they happen? So that no seer or fortune teller can ever say that they knew about it in advance. The Lord tells Israel that he will bring about events suddenly and without warning so that no one can say, "behold, I knew them." But in order for God to suddenly create an event, he has to create a thousand different things all at the same time. Some of the fortunate among us have witnessed this first hand. Sometimes the seemly impossible takes place, after a series of unlikely "lucky events" take place, one after the other.
In his epistle to the Hebrews, Paul asserts that God orchestrates history. Hebrews 1:1-2 "God, after He spoke long ago to the fathers in the prophets in many portions and in many ways, in these last days has spoken to us in His Son, whom He appointed heir of all things, through whom also He made the world." The Greek word for "world" in this context is τοὺς αἰῶνας "the ages." In other words, "history." God created every historical event that led up to the birth of Jesus Christ, his ministry, his death on the cross, his being raised from the dead, and his ascension to the right hand of the father. God created everything that exists, including every historical event.
God's foreknowledge isn't his ability to foresee or forecast the future; his foreknowledge is a declaration of what he intends to create in the future.