Home / 2,791,188,272.88-3,851,789,932.62-1,521,040,291.20

Finding the Fourth Proportional to 2,791,188,272.88, 3,851,789,932.62 and 1,521,040,291.20

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Solution

The fourth proportional to 2,791,188,272.88, 3,851,789,932.62 and 1,521,040,291.20 is: 2,099,008,417.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,188,272.88 : 3,851,789,932.62 = 1,521,040,291.20 : x
  2. Step 2: Convert to fraction form
    2,791,188,272.88/3,851,789,932.62 = 1,521,040,291.20/x
  3. Step 3: Cross multiply
    2,791,188,272.88x = 3,851,789,932.62 × 1,521,040,291.20
  4. Step 4: Simplify right side
    2,791,188,272.88x = 5,858,727,680,753,553,408
  5. Step 5: Solve for x
    x = 5,858,727,680,753,553,408/2,791,188,272.88
  6. Step 6: Final answer
    x = 2,099,008,417.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.