Home / 769,960,007.20-1,154,940,010.80-588,561,479.20

Finding the Fourth Proportional to 769,960,007.20, 1,154,940,010.80 and 588,561,479.20

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Solution

The fourth proportional to 769,960,007.20, 1,154,940,010.80 and 588,561,479.20 is: 882,842,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,960,007.20 : 1,154,940,010.80 = 588,561,479.20 : x
  2. Step 2: Convert to fraction form
    769,960,007.20/1,154,940,010.80 = 588,561,479.20/x
  3. Step 3: Cross multiply
    769,960,007.20x = 1,154,940,010.80 × 588,561,479.20
  4. Step 4: Simplify right side
    769,960,007.20x = 679,753,201,143,712,000
  5. Step 5: Solve for x
    x = 679,753,201,143,712,000/769,960,007.20
  6. Step 6: Final answer
    x = 882,842,218.80

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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.