Home / 327,111,524.40-490,667,286.60-189,362,017.20

Finding the Fourth Proportional to 327,111,524.40, 490,667,286.60 and 189,362,017.20

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Solution

The fourth proportional to 327,111,524.40, 490,667,286.60 and 189,362,017.20 is: 284,043,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,111,524.40 : 490,667,286.60 = 189,362,017.20 : x
  2. Step 2: Convert to fraction form
    327,111,524.40/490,667,286.60 = 189,362,017.20/x
  3. Step 3: Cross multiply
    327,111,524.40x = 490,667,286.60 × 189,362,017.20
  4. Step 4: Simplify right side
    327,111,524.40x = 92,913,747,164,626,528
  5. Step 5: Solve for x
    x = 92,913,747,164,626,528/327,111,524.40
  6. Step 6: Final answer
    x = 284,043,025.80

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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.