Home / 484,560,912.30-726,841,368.45-291,069,149.10

Finding the Fourth Proportional to 484,560,912.30, 726,841,368.45 and 291,069,149.10

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Solution

The fourth proportional to 484,560,912.30, 726,841,368.45 and 291,069,149.10 is: 436,603,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,560,912.30 : 726,841,368.45 = 291,069,149.10 : x
  2. Step 2: Convert to fraction form
    484,560,912.30/726,841,368.45 = 291,069,149.10/x
  3. Step 3: Cross multiply
    484,560,912.30x = 726,841,368.45 × 291,069,149.10
  4. Step 4: Simplify right side
    484,560,912.30x = 211,561,098,645,421,120
  5. Step 5: Solve for x
    x = 211,561,098,645,421,120/484,560,912.30
  6. Step 6: Final answer
    x = 436,603,723.65

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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.