Finding the Fourth Proportional to 3,957,451,341.20, 5,942,034,672.60 and 2,214,135,904.40
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Solution
The fourth proportional to 3,957,451,341.20, 5,942,034,672.60 and 2,214,135,904.40 is: 3,324,481,131.79
Step by Step Solution
- Step 1: Write the proportion equation
3,957,451,341.20 : 5,942,034,672.60 = 2,214,135,904.40 : x - Step 2: Convert to fraction form
3,957,451,341.20/5,942,034,672.60 = 2,214,135,904.40/x - Step 3: Cross multiply
3,957,451,341.20x = 5,942,034,672.60 × 2,214,135,904.40 - Step 4: Simplify right side
3,957,451,341.20x = 13,156,472,313,793,359,872 - Step 5: Solve for x
x = 13,156,472,313,793,359,872/3,957,451,341.20 - Step 6: Final answer
x = 3,324,481,131.79
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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.