Home / 408,848,194.80-613,272,292.20-245,589,519.60

Finding the Fourth Proportional to 408,848,194.80, 613,272,292.20 and 245,589,519.60

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Solution

The fourth proportional to 408,848,194.80, 613,272,292.20 and 245,589,519.60 is: 368,384,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,848,194.80 : 613,272,292.20 = 245,589,519.60 : x
  2. Step 2: Convert to fraction form
    408,848,194.80/613,272,292.20 = 245,589,519.60/x
  3. Step 3: Cross multiply
    408,848,194.80x = 613,272,292.20 × 245,589,519.60
  4. Step 4: Simplify right side
    408,848,194.80x = 150,613,247,625,388,832
  5. Step 5: Solve for x
    x = 150,613,247,625,388,832/408,848,194.80
  6. Step 6: Final answer
    x = 368,384,279.40

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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.