Finding the Fourth Proportional to 472,393,032.30, 708,589,548.45 and 334,643,525.10
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Solution
The fourth proportional to 472,393,032.30, 708,589,548.45 and 334,643,525.10 is: 501,965,287.65
Step by Step Solution
- Step 1: Write the proportion equation
472,393,032.30 : 708,589,548.45 = 334,643,525.10 : x - Step 2: Convert to fraction form
472,393,032.30/708,589,548.45 = 334,643,525.10/x - Step 3: Cross multiply
472,393,032.30x = 708,589,548.45 × 334,643,525.10 - Step 4: Simplify right side
472,393,032.30x = 237,124,904,342,325,280 - Step 5: Solve for x
x = 237,124,904,342,325,280/472,393,032.30 - Step 6: Final answer
x = 501,965,287.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.