Finding the Fourth Proportional to 730,732,315.20, 1,096,098,472.80 and 709,208,954.70
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Solution
The fourth proportional to 730,732,315.20, 1,096,098,472.80 and 709,208,954.70 is: 1,063,813,432.05
Step by Step Solution
- Step 1: Write the proportion equation
730,732,315.20 : 1,096,098,472.80 = 709,208,954.70 : x - Step 2: Convert to fraction form
730,732,315.20/1,096,098,472.80 = 709,208,954.70/x - Step 3: Cross multiply
730,732,315.20x = 1,096,098,472.80 × 709,208,954.70 - Step 4: Simplify right side
730,732,315.20x = 777,362,852,142,754,432 - Step 5: Solve for x
x = 777,362,852,142,754,432/730,732,315.20 - Step 6: Final answer
x = 1,063,813,432.05
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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.