Home / 488,483,665.80-732,125,198.44-225,812,910.30

Finding the Fourth Proportional to 488,483,665.80, 732,125,198.44 and 225,812,910.30

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Solution

The fourth proportional to 488,483,665.80, 732,125,198.44 and 225,812,910.30 is: 338,441,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,483,665.80 : 732,125,198.44 = 225,812,910.30 : x
  2. Step 2: Convert to fraction form
    488,483,665.80/732,125,198.44 = 225,812,910.30/x
  3. Step 3: Cross multiply
    488,483,665.80x = 732,125,198.44 × 225,812,910.30
  4. Step 4: Simplify right side
    488,483,665.80x = 165,323,321,763,701,440
  5. Step 5: Solve for x
    x = 165,323,321,763,701,440/488,483,665.80
  6. Step 6: Final answer
    x = 338,441,862.72

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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.