Home / 367,445,999.20-551,168,998.80-324,399,278.20

Finding the Fourth Proportional to 367,445,999.20, 551,168,998.80 and 324,399,278.20

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Solution

The fourth proportional to 367,445,999.20, 551,168,998.80 and 324,399,278.20 is: 486,598,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,445,999.20 : 551,168,998.80 = 324,399,278.20 : x
  2. Step 2: Convert to fraction form
    367,445,999.20/551,168,998.80 = 324,399,278.20/x
  3. Step 3: Cross multiply
    367,445,999.20x = 551,168,998.80 × 324,399,278.20
  4. Step 4: Simplify right side
    367,445,999.20x = 178,798,825,376,936,640
  5. Step 5: Solve for x
    x = 178,798,825,376,936,640/367,445,999.20
  6. Step 6: Final answer
    x = 486,598,917.30

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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.