Home / 394,815,786,751.41-544,845,785,716.92-225,843,057,919.41

Finding the Fourth Proportional to 394,815,786,751.41, 544,845,785,716.92 and 225,843,057,919.41

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Solution

The fourth proportional to 394,815,786,751.41, 544,845,785,716.92 and 225,843,057,919.41 is: 311,663,419,928.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,815,786,751.41 : 544,845,785,716.92 = 225,843,057,919.41 : x
  2. Step 2: Convert to fraction form
    394,815,786,751.41/544,845,785,716.92 = 225,843,057,919.41/x
  3. Step 3: Cross multiply
    394,815,786,751.41x = 544,845,785,716.92 × 225,843,057,919.41
  4. Step 4: Simplify right side
    394,815,786,751.41x = 123,049,638,340,812,806,815,744
  5. Step 5: Solve for x
    x = 123,049,638,340,812,806,815,744/394,815,786,751.41
  6. Step 6: Final answer
    x = 311,663,419,928.77

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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.