Home / 314,928,270.20-472,392,405.30-169,809,447.80

Finding the Fourth Proportional to 314,928,270.20, 472,392,405.30 and 169,809,447.80

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Solution

The fourth proportional to 314,928,270.20, 472,392,405.30 and 169,809,447.80 is: 254,714,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,270.20 : 472,392,405.30 = 169,809,447.80 : x
  2. Step 2: Convert to fraction form
    314,928,270.20/472,392,405.30 = 169,809,447.80/x
  3. Step 3: Cross multiply
    314,928,270.20x = 472,392,405.30 × 169,809,447.80
  4. Step 4: Simplify right side
    314,928,270.20x = 80,216,693,488,906,800
  5. Step 5: Solve for x
    x = 80,216,693,488,906,800/314,928,270.20
  6. Step 6: Final answer
    x = 254,714,171.70

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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.