Home / 394,815,786,753.93-544,845,785,720.40-225,843,057,921.91

Finding the Fourth Proportional to 394,815,786,753.93, 544,845,785,720.40 and 225,843,057,921.91

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Solution

The fourth proportional to 394,815,786,753.93, 544,845,785,720.40 and 225,843,057,921.91 is: 311,663,419,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,815,786,753.93 : 544,845,785,720.40 = 225,843,057,921.91 : x
  2. Step 2: Convert to fraction form
    394,815,786,753.93/544,845,785,720.40 = 225,843,057,921.91/x
  3. Step 3: Cross multiply
    394,815,786,753.93x = 544,845,785,720.40 × 225,843,057,921.91
  4. Step 4: Simplify right side
    394,815,786,753.93x = 123,049,638,342,960,860,889,088
  5. Step 5: Solve for x
    x = 123,049,638,342,960,860,889,088/394,815,786,753.93
  6. Step 6: Final answer
    x = 311,663,419,932.22

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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.