Home / 394,379,149.34-544,227,143.22-227,121,712.76

Finding the Fourth Proportional to 394,379,149.34, 544,227,143.22 and 227,121,712.76

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Solution

The fourth proportional to 394,379,149.34, 544,227,143.22 and 227,121,712.76 is: 313,418,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,379,149.34 : 544,227,143.22 = 227,121,712.76 : x
  2. Step 2: Convert to fraction form
    394,379,149.34/544,227,143.22 = 227,121,712.76/x
  3. Step 3: Cross multiply
    394,379,149.34x = 544,227,143.22 × 227,121,712.76
  4. Step 4: Simplify right side
    394,379,149.34x = 123,605,800,899,968,784
  5. Step 5: Solve for x
    x = 123,605,800,899,968,784/394,379,149.34
  6. Step 6: Final answer
    x = 313,418,701.54

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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.