How would a merged Tesla & SpaceX rank among the world’s biggest firms?

Elon Musk has said Tesla and SpaceX are exploring a merger that could create a $3.5 trillion company combining electric vehicles, rockets, Starlink, AI, robotics and chipmaking. With SpaceX valued at around $2 trillion and Tesla at nearly $1.5 trillion, the combined company would rank as the world's fifth most valuable firm, between Microsoft and Amazon, Reuters reported.