Finding the Fourth Proportional to 293,417,265.70, 440,125,898.56 and 207,323,823.70
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Solution
The fourth proportional to 293,417,265.70, 440,125,898.56 and 207,323,823.70 is: 310,985,735.56
Step by Step Solution
- Step 1: Write the proportion equation
293,417,265.70 : 440,125,898.56 = 207,323,823.70 : x - Step 2: Convert to fraction form
293,417,265.70/440,125,898.56 = 207,323,823.70/x - Step 3: Cross multiply
293,417,265.70x = 440,125,898.56 × 207,323,823.70 - Step 4: Simplify right side
293,417,265.70x = 91,248,584,198,857,520 - Step 5: Solve for x
x = 91,248,584,198,857,520/293,417,265.70 - Step 6: Final answer
x = 310,985,735.56
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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.