Finding the Fourth Proportional to 664,275,502.10, 996,413,253.15 and 615,902,561.30
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Solution
The fourth proportional to 664,275,502.10, 996,413,253.15 and 615,902,561.30 is: 923,853,841.95
Step by Step Solution
- Step 1: Write the proportion equation
664,275,502.10 : 996,413,253.15 = 615,902,561.30 : x - Step 2: Convert to fraction form
664,275,502.10/996,413,253.15 = 615,902,561.30/x - Step 3: Cross multiply
664,275,502.10x = 996,413,253.15 × 615,902,561.30 - Step 4: Simplify right side
664,275,502.10x = 613,693,474,728,350,208 - Step 5: Solve for x
x = 613,693,474,728,350,208/664,275,502.10 - Step 6: Final answer
x = 923,853,841.95
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1.5x scale
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.