To find an equivalent expression for \( 415,000,000 + 558,000,000 \), you can simply add the two numbers together:
\[ 415,000,000 + 558,000,000 = 973,000,000 \]
Therefore, the expression equivalent to \( 415,000,000 + 558,000,000 \) is:
\[ 973,000,000 \]