Home / 451,036,793.20-676,555,189.80-221,454,281.20

Finding the Fourth Proportional to 451,036,793.20, 676,555,189.80 and 221,454,281.20

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Solution

The fourth proportional to 451,036,793.20, 676,555,189.80 and 221,454,281.20 is: 332,181,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,036,793.20 : 676,555,189.80 = 221,454,281.20 : x
  2. Step 2: Convert to fraction form
    451,036,793.20/676,555,189.80 = 221,454,281.20/x
  3. Step 3: Cross multiply
    451,036,793.20x = 676,555,189.80 × 221,454,281.20
  4. Step 4: Simplify right side
    451,036,793.20x = 149,826,043,249,288,544
  5. Step 5: Solve for x
    x = 149,826,043,249,288,544/451,036,793.20
  6. Step 6: Final answer
    x = 332,181,421.80

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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.