Home / 3,491,561,845.38-5,238,032,706.47-1,280,792,085.96

Finding the Fourth Proportional to 3,491,561,845.38, 5,238,032,706.47 and 1,280,792,085.96

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Solution

The fourth proportional to 3,491,561,845.38, 5,238,032,706.47 and 1,280,792,085.96 is: 1,921,441,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491,561,845.38 : 5,238,032,706.47 = 1,280,792,085.96 : x
  2. Step 2: Convert to fraction form
    3,491,561,845.38/5,238,032,706.47 = 1,280,792,085.96/x
  3. Step 3: Cross multiply
    3,491,561,845.38x = 5,238,032,706.47 × 1,280,792,085.96
  4. Step 4: Simplify right side
    3,491,561,845.38x = 6,708,830,836,446,415,872
  5. Step 5: Solve for x
    x = 6,708,830,836,446,415,872/3,491,561,845.38
  6. Step 6: Final answer
    x = 1,921,441,215.58

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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.