Home / 451,036,789.20-676,555,183.80-221,454,277.20

Finding the Fourth Proportional to 451,036,789.20, 676,555,183.80 and 221,454,277.20

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Solution

The fourth proportional to 451,036,789.20, 676,555,183.80 and 221,454,277.20 is: 332,181,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,036,789.20 : 676,555,183.80 = 221,454,277.20 : x
  2. Step 2: Convert to fraction form
    451,036,789.20/676,555,183.80 = 221,454,277.20/x
  3. Step 3: Cross multiply
    451,036,789.20x = 676,555,183.80 × 221,454,277.20
  4. Step 4: Simplify right side
    451,036,789.20x = 149,826,039,214,342,144
  5. Step 5: Solve for x
    x = 149,826,039,214,342,144/451,036,789.20
  6. Step 6: Final answer
    x = 332,181,415.80

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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.