Home / 396,305,998.20-594,458,997.30-294,269,326.20

Finding the Fourth Proportional to 396,305,998.20, 594,458,997.30 and 294,269,326.20

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Solution

The fourth proportional to 396,305,998.20, 594,458,997.30 and 294,269,326.20 is: 441,403,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,305,998.20 : 594,458,997.30 = 294,269,326.20 : x
  2. Step 2: Convert to fraction form
    396,305,998.20/594,458,997.30 = 294,269,326.20/x
  3. Step 3: Cross multiply
    396,305,998.20x = 594,458,997.30 × 294,269,326.20
  4. Step 4: Simplify right side
    396,305,998.20x = 174,931,048,588,998,592
  5. Step 5: Solve for x
    x = 174,931,048,588,998,592/396,305,998.20
  6. Step 6: Final answer
    x = 441,403,989.30

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Double scale
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Similar ratio
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1.5x scale

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.