Finding the Fourth Proportional to 689,548,201.04, 951,596,614.72 and 376,302,592.91
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Solution
The fourth proportional to 689,548,201.04, 951,596,614.72 and 376,302,592.91 is: 519,308,545.78
Step by Step Solution
- Step 1: Write the proportion equation
689,548,201.04 : 951,596,614.72 = 376,302,592.91 : x - Step 2: Convert to fraction form
689,548,201.04/951,596,614.72 = 376,302,592.91/x - Step 3: Cross multiply
689,548,201.04x = 951,596,614.72 × 376,302,592.91 - Step 4: Simplify right side
689,548,201.04x = 358,088,273,526,363,712 - Step 5: Solve for x
x = 358,088,273,526,363,712/689,548,201.04 - Step 6: Final answer
x = 519,308,545.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.