Home / 1,399,681,839.10-2,099,522,758.65-1,391,619,682.30

Finding the Fourth Proportional to 1,399,681,839.10, 2,099,522,758.65 and 1,391,619,682.30

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Solution

The fourth proportional to 1,399,681,839.10, 2,099,522,758.65 and 1,391,619,682.30 is: 2,087,429,523.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,681,839.10 : 2,099,522,758.65 = 1,391,619,682.30 : x
  2. Step 2: Convert to fraction form
    1,399,681,839.10/2,099,522,758.65 = 1,391,619,682.30/x
  3. Step 3: Cross multiply
    1,399,681,839.10x = 2,099,522,758.65 × 1,391,619,682.30
  4. Step 4: Simplify right side
    1,399,681,839.10x = 2,921,737,194,374,132,736
  5. Step 5: Solve for x
    x = 2,921,737,194,374,132,736/1,399,681,839.10
  6. Step 6: Final answer
    x = 2,087,429,523.45

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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.