Home / 394,807,198.28-544,850,954.39-218,595,192.21

Finding the Fourth Proportional to 394,807,198.28, 544,850,954.39 and 218,595,192.21

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Solution

The fourth proportional to 394,807,198.28, 544,850,954.39 and 218,595,192.21 is: 301,670,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,807,198.28 : 544,850,954.39 = 218,595,192.21 : x
  2. Step 2: Convert to fraction form
    394,807,198.28/544,850,954.39 = 218,595,192.21/x
  3. Step 3: Cross multiply
    394,807,198.28x = 544,850,954.39 × 218,595,192.21
  4. Step 4: Simplify right side
    394,807,198.28x = 119,101,799,101,230,496
  5. Step 5: Solve for x
    x = 119,101,799,101,230,496/394,807,198.28
  6. Step 6: Final answer
    x = 301,670,789.24

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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.