Finding the Fourth Proportional to 574,128,060.70, 861,192,091.05 and 506,103,612.70
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Solution
The fourth proportional to 574,128,060.70, 861,192,091.05 and 506,103,612.70 is: 759,155,419.05
Step by Step Solution
- Step 1: Write the proportion equation
574,128,060.70 : 861,192,091.05 = 506,103,612.70 : x - Step 2: Convert to fraction form
574,128,060.70/861,192,091.05 = 506,103,612.70/x - Step 3: Cross multiply
574,128,060.70x = 861,192,091.05 × 506,103,612.70 - Step 4: Simplify right side
574,128,060.70x = 435,852,428,509,072,320 - Step 5: Solve for x
x = 435,852,428,509,072,320/574,128,060.70 - Step 6: Final answer
x = 759,155,419.05
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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.