Home / 408,140,179.02-612,564,031.17-214,188,620.94

Finding the Fourth Proportional to 408,140,179.02, 612,564,031.17 and 214,188,620.94

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Solution

The fourth proportional to 408,140,179.02, 612,564,031.17 and 214,188,620.94 is: 321,468,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,140,179.02 : 612,564,031.17 = 214,188,620.94 : x
  2. Step 2: Convert to fraction form
    408,140,179.02/612,564,031.17 = 214,188,620.94/x
  3. Step 3: Cross multiply
    408,140,179.02x = 612,564,031.17 × 214,188,620.94
  4. Step 4: Simplify right side
    408,140,179.02x = 131,204,245,073,749,472
  5. Step 5: Solve for x
    x = 131,204,245,073,749,472/408,140,179.02
  6. Step 6: Final answer
    x = 321,468,583.14

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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.