Home / 394,791,449.46-544,848,758.82-218,579,447.76

Finding the Fourth Proportional to 394,791,449.46, 544,848,758.82 and 218,579,447.76

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Solution

The fourth proportional to 394,791,449.46, 544,848,758.82 and 218,579,447.76 is: 301,659,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,791,449.46 : 544,848,758.82 = 218,579,447.76 : x
  2. Step 2: Convert to fraction form
    394,791,449.46/544,848,758.82 = 218,579,447.76/x
  3. Step 3: Cross multiply
    394,791,449.46x = 544,848,758.82 × 218,579,447.76
  4. Step 4: Simplify right side
    394,791,449.46x = 119,092,740,815,597,040
  5. Step 5: Solve for x
    x = 119,092,740,815,597,040/394,791,449.46
  6. Step 6: Final answer
    x = 301,659,878.85

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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.