Finding the Fourth Proportional to 976,887,169.40, 1,465,386,612.52 and 277,324,586.70
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Solution
The fourth proportional to 976,887,169.40, 1,465,386,612.52 and 277,324,586.70 is: 416,002,737.47
Step by Step Solution
- Step 1: Write the proportion equation
976,887,169.40 : 1,465,386,612.52 = 277,324,586.70 : x - Step 2: Convert to fraction form
976,887,169.40/1,465,386,612.52 = 277,324,586.70/x - Step 3: Cross multiply
976,887,169.40x = 1,465,386,612.52 × 277,324,586.70 - Step 4: Simplify right side
976,887,169.40x = 406,387,736,672,822,016 - Step 5: Solve for x
x = 406,387,736,672,822,016/976,887,169.40 - Step 6: Final answer
x = 416,002,737.47
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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.