Home / 394,585,105.20-591,877,657.80-383,247,697.20

Finding the Fourth Proportional to 394,585,105.20, 591,877,657.80 and 383,247,697.20

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Solution

The fourth proportional to 394,585,105.20, 591,877,657.80 and 383,247,697.20 is: 574,871,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,585,105.20 : 591,877,657.80 = 383,247,697.20 : x
  2. Step 2: Convert to fraction form
    394,585,105.20/591,877,657.80 = 383,247,697.20/x
  3. Step 3: Cross multiply
    394,585,105.20x = 591,877,657.80 × 383,247,697.20
  4. Step 4: Simplify right side
    394,585,105.20x = 226,835,749,375,979,584
  5. Step 5: Solve for x
    x = 226,835,749,375,979,584/394,585,105.20
  6. Step 6: Final answer
    x = 574,871,545.80

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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.