Home / 412,752,811.20-619,129,216.80-167,108,971.20

Finding the Fourth Proportional to 412,752,811.20, 619,129,216.80 and 167,108,971.20

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Solution

The fourth proportional to 412,752,811.20, 619,129,216.80 and 167,108,971.20 is: 250,663,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,752,811.20 : 619,129,216.80 = 167,108,971.20 : x
  2. Step 2: Convert to fraction form
    412,752,811.20/619,129,216.80 = 167,108,971.20/x
  3. Step 3: Cross multiply
    412,752,811.20x = 619,129,216.80 × 167,108,971.20
  4. Step 4: Simplify right side
    412,752,811.20x = 103,462,046,459,309,744
  5. Step 5: Solve for x
    x = 103,462,046,459,309,744/412,752,811.20
  6. Step 6: Final answer
    x = 250,663,456.80

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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.