Home / 231,787,008,129.60-347,680,512,194.40-225,256,661,121.60

Finding the Fourth Proportional to 231,787,008,129.60, 347,680,512,194.40 and 225,256,661,121.60

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Solution

The fourth proportional to 231,787,008,129.60, 347,680,512,194.40 and 225,256,661,121.60 is: 337,884,991,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,008,129.60 : 347,680,512,194.40 = 225,256,661,121.60 : x
  2. Step 2: Convert to fraction form
    231,787,008,129.60/347,680,512,194.40 = 225,256,661,121.60/x
  3. Step 3: Cross multiply
    231,787,008,129.60x = 347,680,512,194.40 × 225,256,661,121.60
  4. Step 4: Simplify right side
    231,787,008,129.60x = 78,317,351,313,958,288,490,496
  5. Step 5: Solve for x
    x = 78,317,351,313,958,288,490,496/231,787,008,129.60
  6. Step 6: Final answer
    x = 337,884,991,682.40

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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.