Home / 3,907,669,745.39-5,862,654,747.70-1,420,491,469.32

Finding the Fourth Proportional to 3,907,669,745.39, 5,862,654,747.70 and 1,420,491,469.32

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Solution

The fourth proportional to 3,907,669,745.39, 5,862,654,747.70 and 1,420,491,469.32 is: 2,131,155,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,669,745.39 : 5,862,654,747.70 = 1,420,491,469.32 : x
  2. Step 2: Convert to fraction form
    3,907,669,745.39/5,862,654,747.70 = 1,420,491,469.32/x
  3. Step 3: Cross multiply
    3,907,669,745.39x = 5,862,654,747.70 × 1,420,491,469.32
  4. Step 4: Simplify right side
    3,907,669,745.39x = 8,327,851,056,672,695,296
  5. Step 5: Solve for x
    x = 8,327,851,056,672,695,296/3,907,669,745.39
  6. Step 6: Final answer
    x = 2,131,155,291.85

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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.