Home / 650,240,778.12-897,100,622.10-385,720,153.80

Finding the Fourth Proportional to 650,240,778.12, 897,100,622.10 and 385,720,153.80

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Solution

The fourth proportional to 650,240,778.12, 897,100,622.10 and 385,720,153.80 is: 532,156,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,240,778.12 : 897,100,622.10 = 385,720,153.80 : x
  2. Step 2: Convert to fraction form
    650,240,778.12/897,100,622.10 = 385,720,153.80/x
  3. Step 3: Cross multiply
    650,240,778.12x = 897,100,622.10 × 385,720,153.80
  4. Step 4: Simplify right side
    650,240,778.12x = 346,029,789,930,487,680
  5. Step 5: Solve for x
    x = 346,029,789,930,487,680/650,240,778.12
  6. Step 6: Final answer
    x = 532,156,397.41

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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.