Home / 465,121,288.73-641,665,693.28-276,844,011.50

Finding the Fourth Proportional to 465,121,288.73, 641,665,693.28 and 276,844,011.50

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Solution

The fourth proportional to 465,121,288.73, 641,665,693.28 and 276,844,011.50 is: 381,924,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,121,288.73 : 641,665,693.28 = 276,844,011.50 : x
  2. Step 2: Convert to fraction form
    465,121,288.73/641,665,693.28 = 276,844,011.50/x
  3. Step 3: Cross multiply
    465,121,288.73x = 641,665,693.28 × 276,844,011.50
  4. Step 4: Simplify right side
    465,121,288.73x = 177,641,304,571,860,064
  5. Step 5: Solve for x
    x = 177,641,304,571,860,064/465,121,288.73
  6. Step 6: Final answer
    x = 381,924,691.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.