Home / 480,548,103.12-720,891,229.05-148,581,001.76

Finding the Fourth Proportional to 480,548,103.12, 720,891,229.05 and 148,581,001.76

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Solution

The fourth proportional to 480,548,103.12, 720,891,229.05 and 148,581,001.76 is: 222,892,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,548,103.12 : 720,891,229.05 = 148,581,001.76 : x
  2. Step 2: Convert to fraction form
    480,548,103.12/720,891,229.05 = 148,581,001.76/x
  3. Step 3: Cross multiply
    480,548,103.12x = 720,891,229.05 × 148,581,001.76
  4. Step 4: Simplify right side
    480,548,103.12x = 107,110,740,968,642,144
  5. Step 5: Solve for x
    x = 107,110,740,968,642,144/480,548,103.12
  6. Step 6: Final answer
    x = 222,892,859.78

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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.