Home / 3,387,340,987.28-5,079,266,878.07-1,520,386,189.41

Finding the Fourth Proportional to 3,387,340,987.28, 5,079,266,878.07 and 1,520,386,189.41

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Solution

The fourth proportional to 3,387,340,987.28, 5,079,266,878.07 and 1,520,386,189.41 is: 2,279,796,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,340,987.28 : 5,079,266,878.07 = 1,520,386,189.41 : x
  2. Step 2: Convert to fraction form
    3,387,340,987.28/5,079,266,878.07 = 1,520,386,189.41/x
  3. Step 3: Cross multiply
    3,387,340,987.28x = 5,079,266,878.07 × 1,520,386,189.41
  4. Step 4: Simplify right side
    3,387,340,987.28x = 7,722,447,213,737,672,704
  5. Step 5: Solve for x
    x = 7,722,447,213,737,672,704/3,387,340,987.28
  6. Step 6: Final answer
    x = 2,279,796,230.36

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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.