Home / 299,767,873.20-413,552,991.42-200,680,540.80

Finding the Fourth Proportional to 299,767,873.20, 413,552,991.42 and 200,680,540.80

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Solution

The fourth proportional to 299,767,873.20, 413,552,991.42 and 200,680,540.80 is: 276,854,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,767,873.20 : 413,552,991.42 = 200,680,540.80 : x
  2. Step 2: Convert to fraction form
    299,767,873.20/413,552,991.42 = 200,680,540.80/x
  3. Step 3: Cross multiply
    299,767,873.20x = 413,552,991.42 × 200,680,540.80
  4. Step 4: Simplify right side
    299,767,873.20x = 82,992,037,967,623,376
  5. Step 5: Solve for x
    x = 82,992,037,967,623,376/299,767,873.20
  6. Step 6: Final answer
    x = 276,854,344.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.