Home / 367,445,999.70-551,168,999.55-324,399,278.70

Finding the Fourth Proportional to 367,445,999.70, 551,168,999.55 and 324,399,278.70

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Solution

The fourth proportional to 367,445,999.70, 551,168,999.55 and 324,399,278.70 is: 486,598,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,445,999.70 : 551,168,999.55 = 324,399,278.70 : x
  2. Step 2: Convert to fraction form
    367,445,999.70/551,168,999.55 = 324,399,278.70/x
  3. Step 3: Cross multiply
    367,445,999.70x = 551,168,999.55 × 324,399,278.70
  4. Step 4: Simplify right side
    367,445,999.70x = 178,798,825,895,820,608
  5. Step 5: Solve for x
    x = 178,798,825,895,820,608/367,445,999.70
  6. Step 6: Final answer
    x = 486,598,918.05

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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.