Home / 485,110,423.20-727,665,634.80-370,319,167.20

Finding the Fourth Proportional to 485,110,423.20, 727,665,634.80 and 370,319,167.20

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Solution

The fourth proportional to 485,110,423.20, 727,665,634.80 and 370,319,167.20 is: 555,478,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,110,423.20 : 727,665,634.80 = 370,319,167.20 : x
  2. Step 2: Convert to fraction form
    485,110,423.20/727,665,634.80 = 370,319,167.20/x
  3. Step 3: Cross multiply
    485,110,423.20x = 727,665,634.80 × 370,319,167.20
  4. Step 4: Simplify right side
    485,110,423.20x = 269,468,531,879,195,328
  5. Step 5: Solve for x
    x = 269,468,531,879,195,328/485,110,423.20
  6. Step 6: Final answer
    x = 555,478,750.80

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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.