Finding the Fourth Proportional to 502,368,733.59, 753,588,972.65 and 133,901,755.71
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Solution
The fourth proportional to 502,368,733.59, 753,588,972.65 and 133,901,755.71 is: 200,862,194.99
Step by Step Solution
- Step 1: Write the proportion equation
502,368,733.59 : 753,588,972.65 = 133,901,755.71 : x - Step 2: Convert to fraction form
502,368,733.59/753,588,972.65 = 133,901,755.71/x - Step 3: Cross multiply
502,368,733.59x = 753,588,972.65 × 133,901,755.71 - Step 4: Simplify right side
502,368,733.59x = 100,906,886,521,530,160 - Step 5: Solve for x
x = 100,906,886,521,530,160/502,368,733.59 - Step 6: Final answer
x = 200,862,194.99
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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.