Home / 408,140,189.04-612,564,046.20-214,188,630.96

Finding the Fourth Proportional to 408,140,189.04, 612,564,046.20 and 214,188,630.96

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Solution

The fourth proportional to 408,140,189.04, 612,564,046.20 and 214,188,630.96 is: 321,468,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,140,189.04 : 612,564,046.20 = 214,188,630.96 : x
  2. Step 2: Convert to fraction form
    408,140,189.04/612,564,046.20 = 214,188,630.96/x
  3. Step 3: Cross multiply
    408,140,189.04x = 612,564,046.20 × 214,188,630.96
  4. Step 4: Simplify right side
    408,140,189.04x = 131,204,254,430,896,208
  5. Step 5: Solve for x
    x = 131,204,254,430,896,208/408,140,189.04
  6. Step 6: Final answer
    x = 321,468,598.18

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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.