Finding the Fourth Proportional to 332,217,609.80, 498,326,414.70 and 159,652,812.20
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Solution
The fourth proportional to 332,217,609.80, 498,326,414.70 and 159,652,812.20 is: 239,479,218.30
Step by Step Solution
- Step 1: Write the proportion equation
332,217,609.80 : 498,326,414.70 = 159,652,812.20 : x - Step 2: Convert to fraction form
332,217,609.80/498,326,414.70 = 159,652,812.20/x - Step 3: Cross multiply
332,217,609.80x = 498,326,414.70 × 159,652,812.20 - Step 4: Simplify right side
332,217,609.80x = 79,559,213,500,398,416 - Step 5: Solve for x
x = 79,559,213,500,398,416/332,217,609.80 - Step 6: Final answer
x = 239,479,218.30
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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.