Home / 252,389,401.20-378,584,101.80-240,485,122.80

Finding the Fourth Proportional to 252,389,401.20, 378,584,101.80 and 240,485,122.80

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Solution

The fourth proportional to 252,389,401.20, 378,584,101.80 and 240,485,122.80 is: 360,727,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,389,401.20 : 378,584,101.80 = 240,485,122.80 : x
  2. Step 2: Convert to fraction form
    252,389,401.20/378,584,101.80 = 240,485,122.80/x
  3. Step 3: Cross multiply
    252,389,401.20x = 378,584,101.80 × 240,485,122.80
  4. Step 4: Simplify right side
    252,389,401.20x = 91,043,844,211,500,704
  5. Step 5: Solve for x
    x = 91,043,844,211,500,704/252,389,401.20
  6. Step 6: Final answer
    x = 360,727,684.20

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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.