Finding the Fourth Proportional to 751,278,750.60, 1,126,918,125.90 and 461,041,105.80
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Solution
The fourth proportional to 751,278,750.60, 1,126,918,125.90 and 461,041,105.80 is: 691,561,658.70
Step by Step Solution
- Step 1: Write the proportion equation
751,278,750.60 : 1,126,918,125.90 = 461,041,105.80 : x - Step 2: Convert to fraction form
751,278,750.60/1,126,918,125.90 = 461,041,105.80/x - Step 3: Cross multiply
751,278,750.60x = 1,126,918,125.90 × 461,041,105.80 - Step 4: Simplify right side
751,278,750.60x = 519,555,578,910,999,680 - Step 5: Solve for x
x = 519,555,578,910,999,680/751,278,750.60 - Step 6: Final answer
x = 691,561,658.70
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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.