Finding the Fourth Proportional to 656,845,722.18, 901,618,711.43 and 580,840,998.66
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Solution
The fourth proportional to 656,845,722.18, 901,618,711.43 and 580,840,998.66 is: 797,290,893.54
Step by Step Solution
- Step 1: Write the proportion equation
656,845,722.18 : 901,618,711.43 = 580,840,998.66 : x - Step 2: Convert to fraction form
656,845,722.18/901,618,711.43 = 580,840,998.66/x - Step 3: Cross multiply
656,845,722.18x = 901,618,711.43 × 580,840,998.66 - Step 4: Simplify right side
656,845,722.18x = 523,697,112,754,639,296 - Step 5: Solve for x
x = 523,697,112,754,639,296/656,845,722.18 - Step 6: Final answer
x = 797,290,893.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.