Home / 327,629,760.40-491,444,640.60-155,442,876.40

Finding the Fourth Proportional to 327,629,760.40, 491,444,640.60 and 155,442,876.40

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Solution

The fourth proportional to 327,629,760.40, 491,444,640.60 and 155,442,876.40 is: 233,164,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,629,760.40 : 491,444,640.60 = 155,442,876.40 : x
  2. Step 2: Convert to fraction form
    327,629,760.40/491,444,640.60 = 155,442,876.40/x
  3. Step 3: Cross multiply
    327,629,760.40x = 491,444,640.60 × 155,442,876.40
  4. Step 4: Simplify right side
    327,629,760.40x = 76,391,568,526,228,224
  5. Step 5: Solve for x
    x = 76,391,568,526,228,224/327,629,760.40
  6. Step 6: Final answer
    x = 233,164,314.60

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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.