Finding the Fourth Proportional to 437,469,632.40, 656,120,467.80 and 130,771,750.80
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Solution
The fourth proportional to 437,469,632.40, 656,120,467.80 and 130,771,750.80 is: 196,132,522.02
Step by Step Solution
- Step 1: Write the proportion equation
437,469,632.40 : 656,120,467.80 = 130,771,750.80 : x - Step 2: Convert to fraction form
437,469,632.40/656,120,467.80 = 130,771,750.80/x - Step 3: Cross multiply
437,469,632.40x = 656,120,467.80 × 130,771,750.80 - Step 4: Simplify right side
437,469,632.40x = 85,802,022,309,921,024 - Step 5: Solve for x
x = 85,802,022,309,921,024/437,469,632.40 - Step 6: Final answer
x = 196,132,522.02
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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.