Home / 327,629,806.40-491,444,709.60-155,442,922.40

Finding the Fourth Proportional to 327,629,806.40, 491,444,709.60 and 155,442,922.40

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Solution

The fourth proportional to 327,629,806.40, 491,444,709.60 and 155,442,922.40 is: 233,164,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,629,806.40 : 491,444,709.60 = 155,442,922.40 : x
  2. Step 2: Convert to fraction form
    327,629,806.40/491,444,709.60 = 155,442,922.40/x
  3. Step 3: Cross multiply
    327,629,806.40x = 491,444,709.60 × 155,442,922.40
  4. Step 4: Simplify right side
    327,629,806.40x = 76,391,601,858,243,344
  5. Step 5: Solve for x
    x = 76,391,601,858,243,344/327,629,806.40
  6. Step 6: Final answer
    x = 233,164,383.60

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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.