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Finding the Fourth Proportional to 360,752,163.40, 541,128,245.10 and 309,096,098.20

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Solution

The fourth proportional to 360,752,163.40, 541,128,245.10 and 309,096,098.20 is: 463,644,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,752,163.40 : 541,128,245.10 = 309,096,098.20 : x
  2. Step 2: Convert to fraction form
    360,752,163.40/541,128,245.10 = 309,096,098.20/x
  3. Step 3: Cross multiply
    360,752,163.40x = 541,128,245.10 × 309,096,098.20
  4. Step 4: Simplify right side
    360,752,163.40x = 167,260,629,186,223,264
  5. Step 5: Solve for x
    x = 167,260,629,186,223,264/360,752,163.40
  6. Step 6: Final answer
    x = 463,644,147.30

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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.