Home / 664,302,023.90-996,453,035.85-492,115,139.90

Finding the Fourth Proportional to 664,302,023.90, 996,453,035.85 and 492,115,139.90

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Solution

The fourth proportional to 664,302,023.90, 996,453,035.85 and 492,115,139.90 is: 738,172,709.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,023.90 : 996,453,035.85 = 492,115,139.90 : x
  2. Step 2: Convert to fraction form
    664,302,023.90/996,453,035.85 = 492,115,139.90/x
  3. Step 3: Cross multiply
    664,302,023.90x = 996,453,035.85 × 492,115,139.90
  4. Step 4: Simplify right side
    664,302,023.90x = 490,369,625,141,102,464
  5. Step 5: Solve for x
    x = 490,369,625,141,102,464/664,302,023.90
  6. Step 6: Final answer
    x = 738,172,709.85

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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.