Home / 396,933,311.07-595,428,310.13-105,798,908.79

Finding the Fourth Proportional to 396,933,311.07, 595,428,310.13 and 105,798,908.79

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Solution

The fourth proportional to 396,933,311.07, 595,428,310.13 and 105,798,908.79 is: 158,705,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,933,311.07 : 595,428,310.13 = 105,798,908.79 : x
  2. Step 2: Convert to fraction form
    396,933,311.07/595,428,310.13 = 105,798,908.79/x
  3. Step 3: Cross multiply
    396,933,311.07x = 595,428,310.13 × 105,798,908.79
  4. Step 4: Simplify right side
    396,933,311.07x = 62,995,665,473,898,712
  5. Step 5: Solve for x
    x = 62,995,665,473,898,712/396,933,311.07
  6. Step 6: Final answer
    x = 158,705,917.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.