Home / 351,420,023.90-527,130,035.85-260,720,759.90

Finding the Fourth Proportional to 351,420,023.90, 527,130,035.85 and 260,720,759.90

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Solution

The fourth proportional to 351,420,023.90, 527,130,035.85 and 260,720,759.90 is: 391,081,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,420,023.90 : 527,130,035.85 = 260,720,759.90 : x
  2. Step 2: Convert to fraction form
    351,420,023.90/527,130,035.85 = 260,720,759.90/x
  3. Step 3: Cross multiply
    351,420,023.90x = 527,130,035.85 × 260,720,759.90
  4. Step 4: Simplify right side
    351,420,023.90x = 137,433,743,512,926,256
  5. Step 5: Solve for x
    x = 137,433,743,512,926,256/351,420,023.90
  6. Step 6: Final answer
    x = 391,081,139.85

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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.