Home / 396,305,999.10-594,458,998.65-360,593,163.90

Finding the Fourth Proportional to 396,305,999.10, 594,458,998.65 and 360,593,163.90

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Solution

The fourth proportional to 396,305,999.10, 594,458,998.65 and 360,593,163.90 is: 540,889,745.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,305,999.10 : 594,458,998.65 = 360,593,163.90 : x
  2. Step 2: Convert to fraction form
    396,305,999.10/594,458,998.65 = 360,593,163.90/x
  3. Step 3: Cross multiply
    396,305,999.10x = 594,458,998.65 × 360,593,163.90
  4. Step 4: Simplify right side
    396,305,999.10x = 214,357,851,132,029,312
  5. Step 5: Solve for x
    x = 214,357,851,132,029,312/396,305,999.10
  6. Step 6: Final answer
    x = 540,889,745.85

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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.