Home / 365,822,433.21-504,821,439.72-198,555,103.15

Finding the Fourth Proportional to 365,822,433.21, 504,821,439.72 and 198,555,103.15

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Solution

The fourth proportional to 365,822,433.21, 504,821,439.72 and 198,555,103.15 is: 273,998,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,822,433.21 : 504,821,439.72 = 198,555,103.15 : x
  2. Step 2: Convert to fraction form
    365,822,433.21/504,821,439.72 = 198,555,103.15/x
  3. Step 3: Cross multiply
    365,822,433.21x = 504,821,439.72 × 198,555,103.15
  4. Step 4: Simplify right side
    365,822,433.21x = 100,234,873,035,936,112
  5. Step 5: Solve for x
    x = 100,234,873,035,936,112/365,822,433.21
  6. Step 6: Final answer
    x = 273,998,705.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.