Home / 664,333,481.20-996,500,221.80-276,027,257.20

Finding the Fourth Proportional to 664,333,481.20, 996,500,221.80 and 276,027,257.20

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Solution

The fourth proportional to 664,333,481.20, 996,500,221.80 and 276,027,257.20 is: 414,040,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,333,481.20 : 996,500,221.80 = 276,027,257.20 : x
  2. Step 2: Convert to fraction form
    664,333,481.20/996,500,221.80 = 276,027,257.20/x
  3. Step 3: Cross multiply
    664,333,481.20x = 996,500,221.80 × 276,027,257.20
  4. Step 4: Simplify right side
    664,333,481.20x = 275,061,223,022,645,632
  5. Step 5: Solve for x
    x = 275,061,223,022,645,632/664,333,481.20
  6. Step 6: Final answer
    x = 414,040,885.80

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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.