Home / 3,491,561,882.36-5,238,032,761.92-1,280,792,123.12

Finding the Fourth Proportional to 3,491,561,882.36, 5,238,032,761.92 and 1,280,792,123.12

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Solution

The fourth proportional to 3,491,561,882.36, 5,238,032,761.92 and 1,280,792,123.12 is: 1,921,441,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,561,882.36 : 5,238,032,761.92 = 1,280,792,123.12 : x
  2. Step 2: Convert to fraction form
    3,491,561,882.36/5,238,032,761.92 = 1,280,792,123.12/x
  3. Step 3: Cross multiply
    3,491,561,882.36x = 5,238,032,761.92 × 1,280,792,123.12
  4. Step 4: Simplify right side
    3,491,561,882.36x = 6,708,831,102,111,633,408
  5. Step 5: Solve for x
    x = 6,708,831,102,111,633,408/3,491,561,882.36
  6. Step 6: Final answer
    x = 1,921,441,271.31

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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.