Home / 3,907,669,774.76-5,862,654,791.67-1,420,491,498.74

Finding the Fourth Proportional to 3,907,669,774.76, 5,862,654,791.67 and 1,420,491,498.74

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Solution

The fourth proportional to 3,907,669,774.76, 5,862,654,791.67 and 1,420,491,498.74 is: 2,131,155,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,669,774.76 : 5,862,654,791.67 = 1,420,491,498.74 : x
  2. Step 2: Convert to fraction form
    3,907,669,774.76/5,862,654,791.67 = 1,420,491,498.74/x
  3. Step 3: Cross multiply
    3,907,669,774.76x = 5,862,654,791.67 × 1,420,491,498.74
  4. Step 4: Simplify right side
    3,907,669,774.76x = 8,327,851,291,614,561,280
  5. Step 5: Solve for x
    x = 8,327,851,291,614,561,280/3,907,669,774.76
  6. Step 6: Final answer
    x = 2,131,155,335.95

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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.