Home / 263,268,000.10-394,902,000.15-198,219,621.70

Finding the Fourth Proportional to 263,268,000.10, 394,902,000.15 and 198,219,621.70

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Solution

The fourth proportional to 263,268,000.10, 394,902,000.15 and 198,219,621.70 is: 297,329,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,268,000.10 : 394,902,000.15 = 198,219,621.70 : x
  2. Step 2: Convert to fraction form
    263,268,000.10/394,902,000.15 = 198,219,621.70/x
  3. Step 3: Cross multiply
    263,268,000.10x = 394,902,000.15 × 198,219,621.70
  4. Step 4: Simplify right side
    263,268,000.10x = 78,277,325,078,306,336
  5. Step 5: Solve for x
    x = 78,277,325,078,306,336/263,268,000.10
  6. Step 6: Final answer
    x = 297,329,432.55

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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.