Home / 840,274,360.20-1,259,561,234.70-495,050,286.60

Finding the Fourth Proportional to 840,274,360.20, 1,259,561,234.70 and 495,050,286.60

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Solution

The fourth proportional to 840,274,360.20, 1,259,561,234.70 and 495,050,286.60 is: 742,074,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,274,360.20 : 1,259,561,234.70 = 495,050,286.60 : x
  2. Step 2: Convert to fraction form
    840,274,360.20/1,259,561,234.70 = 495,050,286.60/x
  3. Step 3: Cross multiply
    840,274,360.20x = 1,259,561,234.70 × 495,050,286.60
  4. Step 4: Simplify right side
    840,274,360.20x = 623,546,150,228,484,864
  5. Step 5: Solve for x
    x = 623,546,150,228,484,864/840,274,360.20
  6. Step 6: Final answer
    x = 742,074,469.68

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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.