Home / 812,546,491.52-1,218,656,781.48-397,844,635.52

Finding the Fourth Proportional to 812,546,491.52, 1,218,656,781.48 and 397,844,635.52

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Solution

The fourth proportional to 812,546,491.52, 1,218,656,781.48 and 397,844,635.52 is: 596,687,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,546,491.52 : 1,218,656,781.48 = 397,844,635.52 : x
  2. Step 2: Convert to fraction form
    812,546,491.52/1,218,656,781.48 = 397,844,635.52/x
  3. Step 3: Cross multiply
    812,546,491.52x = 1,218,656,781.48 × 397,844,635.52
  4. Step 4: Simplify right side
    812,546,491.52x = 484,836,063,051,886,848
  5. Step 5: Solve for x
    x = 484,836,063,051,886,848/812,546,491.52
  6. Step 6: Final answer
    x = 596,687,165.73

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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.