Finding the Fourth Proportional to 3,729,782,247.15, 5,591,915,257.20 and 2,255,594,318.73
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Solution
The fourth proportional to 3,729,782,247.15, 5,591,915,257.20 and 2,255,594,318.73 is: 3,381,723,502.65
Step by Step Solution
- Step 1: Write the proportion equation
3,729,782,247.15 : 5,591,915,257.20 = 2,255,594,318.73 : x - Step 2: Convert to fraction form
3,729,782,247.15/5,591,915,257.20 = 2,255,594,318.73/x - Step 3: Cross multiply
3,729,782,247.15x = 5,591,915,257.20 × 2,255,594,318.73 - Step 4: Simplify right side
3,729,782,247.15x = 12,613,092,284,959,926,272 - Step 5: Solve for x
x = 12,613,092,284,959,926,272/3,729,782,247.15 - Step 6: Final answer
x = 3,381,723,502.65
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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.