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Finding the Fourth Proportional to 606,877,951.50, 909,948,301.38 and 237,970,947.78

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Solution

The fourth proportional to 606,877,951.50, 909,948,301.38 and 237,970,947.78 is: 356,811,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,877,951.50 : 909,948,301.38 = 237,970,947.78 : x
  2. Step 2: Convert to fraction form
    606,877,951.50/909,948,301.38 = 237,970,947.78/x
  3. Step 3: Cross multiply
    606,877,951.50x = 909,948,301.38 × 237,970,947.78
  4. Step 4: Simplify right side
    606,877,951.50x = 216,541,259,710,199,680
  5. Step 5: Solve for x
    x = 216,541,259,710,199,680/606,877,951.50
  6. Step 6: Final answer
    x = 356,811,874.90

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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.