Home / 26,638,940,947.50-39,945,335,963.31-13,177,671,768.72

Finding the Fourth Proportional to 26,638,940,947.50, 39,945,335,963.31 and 13,177,671,768.72

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Solution

The fourth proportional to 26,638,940,947.50, 39,945,335,963.31 and 13,177,671,768.72 is: 19,760,039,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638,940,947.50 : 39,945,335,963.31 = 13,177,671,768.72 : x
  2. Step 2: Convert to fraction form
    26,638,940,947.50/39,945,335,963.31 = 13,177,671,768.72/x
  3. Step 3: Cross multiply
    26,638,940,947.50x = 39,945,335,963.31 × 13,177,671,768.72
  4. Step 4: Simplify right side
    26,638,940,947.50x = 526,386,526,015,745,884,160
  5. Step 5: Solve for x
    x = 526,386,526,015,745,884,160/26,638,940,947.50
  6. Step 6: Final answer
    x = 19,760,039,524.59

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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.