Home / 218,092,512.60-327,138,768.90-209,483,168.40

Finding the Fourth Proportional to 218,092,512.60, 327,138,768.90 and 209,483,168.40

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Solution

The fourth proportional to 218,092,512.60, 327,138,768.90 and 209,483,168.40 is: 314,224,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,092,512.60 : 327,138,768.90 = 209,483,168.40 : x
  2. Step 2: Convert to fraction form
    218,092,512.60/327,138,768.90 = 209,483,168.40/x
  3. Step 3: Cross multiply
    218,092,512.60x = 327,138,768.90 × 209,483,168.40
  4. Step 4: Simplify right side
    218,092,512.60x = 68,530,065,815,647,376
  5. Step 5: Solve for x
    x = 68,530,065,815,647,376/218,092,512.60
  6. Step 6: Final answer
    x = 314,224,752.60

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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.