Home / 1,028,522,234.72-1,543,192,162.05-329,122,132.22

Finding the Fourth Proportional to 1,028,522,234.72, 1,543,192,162.05 and 329,122,132.22

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Solution

The fourth proportional to 1,028,522,234.72, 1,543,192,162.05 and 329,122,132.22 is: 493,814,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,522,234.72 : 1,543,192,162.05 = 329,122,132.22 : x
  2. Step 2: Convert to fraction form
    1,028,522,234.72/1,543,192,162.05 = 329,122,132.22/x
  3. Step 3: Cross multiply
    1,028,522,234.72x = 1,543,192,162.05 × 329,122,132.22
  4. Step 4: Simplify right side
    1,028,522,234.72x = 507,898,694,791,371,776
  5. Step 5: Solve for x
    x = 507,898,694,791,371,776/1,028,522,234.72
  6. Step 6: Final answer
    x = 493,814,015.53

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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.