Home / 330,875,189.60-495,356,190.60-321,309,251.60

Finding the Fourth Proportional to 330,875,189.60, 495,356,190.60 and 321,309,251.60

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Solution

The fourth proportional to 330,875,189.60, 495,356,190.60 and 321,309,251.60 is: 481,034,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,875,189.60 : 495,356,190.60 = 321,309,251.60 : x
  2. Step 2: Convert to fraction form
    330,875,189.60/495,356,190.60 = 321,309,251.60/x
  3. Step 3: Cross multiply
    330,875,189.60x = 495,356,190.60 × 321,309,251.60
  4. Step 4: Simplify right side
    330,875,189.60x = 159,162,526,877,112,960
  5. Step 5: Solve for x
    x = 159,162,526,877,112,960/330,875,189.60
  6. Step 6: Final answer
    x = 481,034,939.70

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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.