It appears Dre only owns 25% of the company ... so the max he'd make off the sale is $800 MIL. After state and federal taxes, he's left with $480 MIL, and when you add in Dre's other assets, that's how Forbes now comes up with $800 MIL. Close but no cigar.
The editor says, "Not quite enough to debut on the Forbes 400 but plenty for bragging rights.”
In the words of Ice Cube ... check yo self before you wrickity-wreck yo self.