Home / 314,929,082.20-472,393,623.30-199,287,520.60

Finding the Fourth Proportional to 314,929,082.20, 472,393,623.30 and 199,287,520.60

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Solution

The fourth proportional to 314,929,082.20, 472,393,623.30 and 199,287,520.60 is: 298,931,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,082.20 : 472,393,623.30 = 199,287,520.60 : x
  2. Step 2: Convert to fraction form
    314,929,082.20/472,393,623.30 = 199,287,520.60/x
  3. Step 3: Cross multiply
    314,929,082.20x = 472,393,623.30 × 199,287,520.60
  4. Step 4: Simplify right side
    314,929,082.20x = 94,142,153,934,707,392
  5. Step 5: Solve for x
    x = 94,142,153,934,707,392/314,929,082.20
  6. Step 6: Final answer
    x = 298,931,280.90

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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.