Home / 485,296,090.20-727,944,135.30-370,504,834.20

Finding the Fourth Proportional to 485,296,090.20, 727,944,135.30 and 370,504,834.20

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Solution

The fourth proportional to 485,296,090.20, 727,944,135.30 and 370,504,834.20 is: 555,757,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,296,090.20 : 727,944,135.30 = 370,504,834.20 : x
  2. Step 2: Convert to fraction form
    485,296,090.20/727,944,135.30 = 370,504,834.20/x
  3. Step 3: Cross multiply
    485,296,090.20x = 727,944,135.30 × 370,504,834.20
  4. Step 4: Simplify right side
    485,296,090.20x = 269,706,821,156,188,832
  5. Step 5: Solve for x
    x = 269,706,821,156,188,832/485,296,090.20
  6. Step 6: Final answer
    x = 555,757,251.30

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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.