Home / 31,988,789,196.71-44,123,273,270.10-20,571,792,454.46

Finding the Fourth Proportional to 31,988,789,196.71, 44,123,273,270.10 and 20,571,792,454.46

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Solution

The fourth proportional to 31,988,789,196.71, 44,123,273,270.10 and 20,571,792,454.46 is: 28,375,404,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988,789,196.71 : 44,123,273,270.10 = 20,571,792,454.46 : x
  2. Step 2: Convert to fraction form
    31,988,789,196.71/44,123,273,270.10 = 20,571,792,454.46/x
  3. Step 3: Cross multiply
    31,988,789,196.71x = 44,123,273,270.10 × 20,571,792,454.46
  4. Step 4: Simplify right side
    31,988,789,196.71x = 907,694,820,124,052,160,512
  5. Step 5: Solve for x
    x = 907,694,820,124,052,160,512/31,988,789,196.71
  6. Step 6: Final answer
    x = 28,375,404,099.93

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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.