Home / 422,091,831.20-633,704,617.20-269,414,736.80

Finding the Fourth Proportional to 422,091,831.20, 633,704,617.20 and 269,414,736.80

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Solution

The fourth proportional to 422,091,831.20, 633,704,617.20 and 269,414,736.80 is: 404,483,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,091,831.20 : 633,704,617.20 = 269,414,736.80 : x
  2. Step 2: Convert to fraction form
    422,091,831.20/633,704,617.20 = 269,414,736.80/x
  3. Step 3: Cross multiply
    422,091,831.20x = 633,704,617.20 × 269,414,736.80
  4. Step 4: Simplify right side
    422,091,831.20x = 170,729,362,651,882,784
  5. Step 5: Solve for x
    x = 170,729,362,651,882,784/422,091,831.20
  6. Step 6: Final answer
    x = 404,483,929.87

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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.