Finding the Fourth Proportional to 564,981,616.80, 847,472,425.20 and 292,435,927.20
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Solution
The fourth proportional to 564,981,616.80, 847,472,425.20 and 292,435,927.20 is: 438,653,890.80
Step by Step Solution
- Step 1: Write the proportion equation
564,981,616.80 : 847,472,425.20 = 292,435,927.20 : x - Step 2: Convert to fraction form
564,981,616.80/847,472,425.20 = 292,435,927.20/x - Step 3: Cross multiply
564,981,616.80x = 847,472,425.20 × 292,435,927.20 - Step 4: Simplify right side
564,981,616.80x = 247,831,384,439,794,656 - Step 5: Solve for x
x = 247,831,384,439,794,656/564,981,616.80 - Step 6: Final answer
x = 438,653,890.80
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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.