Home / 281,717,998.20-422,576,997.30-200,088,660.60

Finding the Fourth Proportional to 281,717,998.20, 422,576,997.30 and 200,088,660.60

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Solution

The fourth proportional to 281,717,998.20, 422,576,997.30 and 200,088,660.60 is: 300,132,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,717,998.20 : 422,576,997.30 = 200,088,660.60 : x
  2. Step 2: Convert to fraction form
    281,717,998.20/422,576,997.30 = 200,088,660.60/x
  3. Step 3: Cross multiply
    281,717,998.20x = 422,576,997.30 × 200,088,660.60
  4. Step 4: Simplify right side
    281,717,998.20x = 84,552,865,390,126,816
  5. Step 5: Solve for x
    x = 84,552,865,390,126,816/281,717,998.20
  6. Step 6: Final answer
    x = 300,132,990.90

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1.5x scale

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.