Home / 396,958,865.94-547,722,959.85-231,914,548.98

Finding the Fourth Proportional to 396,958,865.94, 547,722,959.85 and 231,914,548.98

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Solution

The fourth proportional to 396,958,865.94, 547,722,959.85 and 231,914,548.98 is: 319,995,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,958,865.94 : 547,722,959.85 = 231,914,548.98 : x
  2. Step 2: Convert to fraction form
    396,958,865.94/547,722,959.85 = 231,914,548.98/x
  3. Step 3: Cross multiply
    396,958,865.94x = 547,722,959.85 × 231,914,548.98
  4. Step 4: Simplify right side
    396,958,865.94x = 127,024,923,199,603,392
  5. Step 5: Solve for x
    x = 127,024,923,199,603,392/396,958,865.94
  6. Step 6: Final answer
    x = 319,995,178.59

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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.