Finding the Fourth Proportional to 343,693,366.88, 474,296,819.99 and 187,061,596.92
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Solution
The fourth proportional to 343,693,366.88, 474,296,819.99 and 187,061,596.92 is: 258,144,989.43
Step by Step Solution
- Step 1: Write the proportion equation
343,693,366.88 : 474,296,819.99 = 187,061,596.92 : x - Step 2: Convert to fraction form
343,693,366.88/474,296,819.99 = 187,061,596.92/x - Step 3: Cross multiply
343,693,366.88x = 474,296,819.99 × 187,061,596.92 - Step 4: Simplify right side
343,693,366.88x = 88,722,720,560,471,872 - Step 5: Solve for x
x = 88,722,720,560,471,872/343,693,366.88 - Step 6: Final answer
x = 258,144,989.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.