Finding the Fourth Proportional to 332,425,489.90, 498,638,234.85 and 194,675,982.70
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Solution
The fourth proportional to 332,425,489.90, 498,638,234.85 and 194,675,982.70 is: 292,013,974.05
Step by Step Solution
- Step 1: Write the proportion equation
332,425,489.90 : 498,638,234.85 = 194,675,982.70 : x - Step 2: Convert to fraction form
332,425,489.90/498,638,234.85 = 194,675,982.70/x - Step 3: Cross multiply
332,425,489.90x = 498,638,234.85 × 194,675,982.70 - Step 4: Simplify right side
332,425,489.90x = 97,072,888,381,217,136 - Step 5: Solve for x
x = 97,072,888,381,217,136/332,425,489.90 - Step 6: Final answer
x = 292,013,974.05
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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.