Home / 818,904,000.80-1,228,356,001.20-508,967,609.60

Finding the Fourth Proportional to 818,904,000.80, 1,228,356,001.20 and 508,967,609.60

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Solution

The fourth proportional to 818,904,000.80, 1,228,356,001.20 and 508,967,609.60 is: 763,451,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,904,000.80 : 1,228,356,001.20 = 508,967,609.60 : x
  2. Step 2: Convert to fraction form
    818,904,000.80/1,228,356,001.20 = 508,967,609.60/x
  3. Step 3: Cross multiply
    818,904,000.80x = 1,228,356,001.20 × 508,967,609.60
  4. Step 4: Simplify right side
    818,904,000.80x = 625,193,417,668,578,816
  5. Step 5: Solve for x
    x = 625,193,417,668,578,816/818,904,000.80
  6. Step 6: Final answer
    x = 763,451,414.40

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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.