Finding the Fourth Proportional to 514,903,759.69, 710,591,480.99 and 291,889,763.68
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Solution
The fourth proportional to 514,903,759.69, 710,591,480.99 and 291,889,763.68 is: 402,821,644.93
Step by Step Solution
- Step 1: Write the proportion equation
514,903,759.69 : 710,591,480.99 = 291,889,763.68 : x - Step 2: Convert to fraction form
514,903,759.69/710,591,480.99 = 291,889,763.68/x - Step 3: Cross multiply
514,903,759.69x = 710,591,480.99 × 291,889,763.68 - Step 4: Simplify right side
514,903,759.69x = 207,414,379,457,732,864 - Step 5: Solve for x
x = 207,414,379,457,732,864/514,903,759.69 - Step 6: Final answer
x = 402,821,644.93
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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.