Home / 314,929,196.20-472,393,794.30-192,485,189.80

Finding the Fourth Proportional to 314,929,196.20, 472,393,794.30 and 192,485,189.80

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Solution

The fourth proportional to 314,929,196.20, 472,393,794.30 and 192,485,189.80 is: 288,727,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,196.20 : 472,393,794.30 = 192,485,189.80 : x
  2. Step 2: Convert to fraction form
    314,929,196.20/472,393,794.30 = 192,485,189.80/x
  3. Step 3: Cross multiply
    314,929,196.20x = 472,393,794.30 × 192,485,189.80
  4. Step 4: Simplify right side
    314,929,196.20x = 90,928,809,156,177,664
  5. Step 5: Solve for x
    x = 90,928,809,156,177,664/314,929,196.20
  6. Step 6: Final answer
    x = 288,727,784.70

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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.