Home / 488,795,857.40-733,193,786.10-161,321,913.20

Finding the Fourth Proportional to 488,795,857.40, 733,193,786.10 and 161,321,913.20

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Solution

The fourth proportional to 488,795,857.40, 733,193,786.10 and 161,321,913.20 is: 241,982,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,795,857.40 : 733,193,786.10 = 161,321,913.20 : x
  2. Step 2: Convert to fraction form
    488,795,857.40/733,193,786.10 = 161,321,913.20/x
  3. Step 3: Cross multiply
    488,795,857.40x = 733,193,786.10 × 161,321,913.20
  4. Step 4: Simplify right side
    488,795,857.40x = 118,280,224,320,003,568
  5. Step 5: Solve for x
    x = 118,280,224,320,003,568/488,795,857.40
  6. Step 6: Final answer
    x = 241,982,869.80

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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.