Home / 394,358,736.76-544,167,644.34-227,149,378.84

Finding the Fourth Proportional to 394,358,736.76, 544,167,644.34 and 227,149,378.84

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Solution

The fourth proportional to 394,358,736.76, 544,167,644.34 and 227,149,378.84 is: 313,438,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,358,736.76 : 544,167,644.34 = 227,149,378.84 : x
  2. Step 2: Convert to fraction form
    394,358,736.76/544,167,644.34 = 227,149,378.84/x
  3. Step 3: Cross multiply
    394,358,736.76x = 544,167,644.34 × 227,149,378.84
  4. Step 4: Simplify right side
    394,358,736.76x = 123,607,342,396,657,056
  5. Step 5: Solve for x
    x = 123,607,342,396,657,056/394,358,736.76
  6. Step 6: Final answer
    x = 313,438,833.41

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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.