Home / 442,172,451.70-662,909,203.18-220,730,141.90

Finding the Fourth Proportional to 442,172,451.70, 662,909,203.18 and 220,730,141.90

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Solution

The fourth proportional to 442,172,451.70, 662,909,203.18 and 220,730,141.90 is: 330,920,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,172,451.70 : 662,909,203.18 = 220,730,141.90 : x
  2. Step 2: Convert to fraction form
    442,172,451.70/662,909,203.18 = 220,730,141.90/x
  3. Step 3: Cross multiply
    442,172,451.70x = 662,909,203.18 × 220,730,141.90
  4. Step 4: Simplify right side
    442,172,451.70x = 146,324,042,484,737,312
  5. Step 5: Solve for x
    x = 146,324,042,484,737,312/442,172,451.70
  6. Step 6: Final answer
    x = 330,920,757.10

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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.