Home / 31,988,789,198.21-44,123,273,272.17-20,571,792,455.97

Finding the Fourth Proportional to 31,988,789,198.21, 44,123,273,272.17 and 20,571,792,455.97

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Solution

The fourth proportional to 31,988,789,198.21, 44,123,273,272.17 and 20,571,792,455.97 is: 28,375,404,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988,789,198.21 : 44,123,273,272.17 = 20,571,792,455.97 : x
  2. Step 2: Convert to fraction form
    31,988,789,198.21/44,123,273,272.17 = 20,571,792,455.97/x
  3. Step 3: Cross multiply
    31,988,789,198.21x = 44,123,273,272.17 × 20,571,792,455.97
  4. Step 4: Simplify right side
    31,988,789,198.21x = 907,694,820,233,129,623,552
  5. Step 5: Solve for x
    x = 907,694,820,233,129,623,552/31,988,789,198.21
  6. Step 6: Final answer
    x = 28,375,404,102.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.