Home / 379,052,579.40-568,202,209.98-263,794,983.90

Finding the Fourth Proportional to 379,052,579.40, 568,202,209.98 and 263,794,983.90

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Solution

The fourth proportional to 379,052,579.40, 568,202,209.98 and 263,794,983.90 is: 395,430,346.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,052,579.40 : 568,202,209.98 = 263,794,983.90 : x
  2. Step 2: Convert to fraction form
    379,052,579.40/568,202,209.98 = 263,794,983.90/x
  3. Step 3: Cross multiply
    379,052,579.40x = 568,202,209.98 × 263,794,983.90
  4. Step 4: Simplify right side
    379,052,579.40x = 149,888,892,833,618,528
  5. Step 5: Solve for x
    x = 149,888,892,833,618,528/379,052,579.40
  6. Step 6: Final answer
    x = 395,430,346.55

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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.