Home / 442,172,449.44-662,909,199.81-220,730,139.65

Finding the Fourth Proportional to 442,172,449.44, 662,909,199.81 and 220,730,139.65

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Solution

The fourth proportional to 442,172,449.44, 662,909,199.81 and 220,730,139.65 is: 330,920,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,172,449.44 : 662,909,199.81 = 220,730,139.65 : x
  2. Step 2: Convert to fraction form
    442,172,449.44/662,909,199.81 = 220,730,139.65/x
  3. Step 3: Cross multiply
    442,172,449.44x = 662,909,199.81 × 220,730,139.65
  4. Step 4: Simplify right side
    442,172,449.44x = 146,324,040,246,955,424
  5. Step 5: Solve for x
    x = 146,324,040,246,955,424/442,172,449.44
  6. Step 6: Final answer
    x = 330,920,753.73

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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.