Home / 314,928,906.20-472,393,359.30-192,484,899.80

Finding the Fourth Proportional to 314,928,906.20, 472,393,359.30 and 192,484,899.80

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Solution

The fourth proportional to 314,928,906.20, 472,393,359.30 and 192,484,899.80 is: 288,727,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,906.20 : 472,393,359.30 = 192,484,899.80 : x
  2. Step 2: Convert to fraction form
    314,928,906.20/472,393,359.30 = 192,484,899.80/x
  3. Step 3: Cross multiply
    314,928,906.20x = 472,393,359.30 × 192,484,899.80
  4. Step 4: Simplify right side
    314,928,906.20x = 90,928,588,431,045,904
  5. Step 5: Solve for x
    x = 90,928,588,431,045,904/314,928,906.20
  6. Step 6: Final answer
    x = 288,727,349.70

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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.