Home / 412,772,920.20-619,159,380.30-167,129,080.20

Finding the Fourth Proportional to 412,772,920.20, 619,159,380.30 and 167,129,080.20

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Solution

The fourth proportional to 412,772,920.20, 619,159,380.30 and 167,129,080.20 is: 250,693,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,772,920.20 : 619,159,380.30 = 167,129,080.20 : x
  2. Step 2: Convert to fraction form
    412,772,920.20/619,159,380.30 = 167,129,080.20/x
  3. Step 3: Cross multiply
    412,772,920.20x = 619,159,380.30 × 167,129,080.20
  4. Step 4: Simplify right side
    412,772,920.20x = 103,479,537,726,740,992
  5. Step 5: Solve for x
    x = 103,479,537,726,740,992/412,772,920.20
  6. Step 6: Final answer
    x = 250,693,620.30

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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.