Finding the Fourth Proportional to 656,489,072.20, 984,733,608.30 and 273,486,857.80
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Solution
The fourth proportional to 656,489,072.20, 984,733,608.30 and 273,486,857.80 is: 410,230,286.70
Step by Step Solution
- Step 1: Write the proportion equation
656,489,072.20 : 984,733,608.30 = 273,486,857.80 : x - Step 2: Convert to fraction form
656,489,072.20/984,733,608.30 = 273,486,857.80/x - Step 3: Cross multiply
656,489,072.20x = 984,733,608.30 × 273,486,857.80 - Step 4: Simplify right side
656,489,072.20x = 269,311,700,304,023,008 - Step 5: Solve for x
x = 269,311,700,304,023,008/656,489,072.20 - Step 6: Final answer
x = 410,230,286.70
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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.