Home / 394,815,786,734.76-544,845,785,693.98-225,843,057,902.76

Finding the Fourth Proportional to 394,815,786,734.76, 544,845,785,693.98 and 225,843,057,902.76

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Solution

The fourth proportional to 394,815,786,734.76, 544,845,785,693.98 and 225,843,057,902.76 is: 311,663,419,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,815,786,734.76 : 544,845,785,693.98 = 225,843,057,902.76 : x
  2. Step 2: Convert to fraction form
    394,815,786,734.76/544,845,785,693.98 = 225,843,057,902.76/x
  3. Step 3: Cross multiply
    394,815,786,734.76x = 544,845,785,693.98 × 225,843,057,902.76
  4. Step 4: Simplify right side
    394,815,786,734.76x = 123,049,638,326,560,293,388,288
  5. Step 5: Solve for x
    x = 123,049,638,326,560,293,388,288/394,815,786,734.76
  6. Step 6: Final answer
    x = 311,663,419,905.82

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Double scale
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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.