Home / 399,423,999.60-599,135,999.40-194,846,770.80

Finding the Fourth Proportional to 399,423,999.60, 599,135,999.40 and 194,846,770.80

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Solution

The fourth proportional to 399,423,999.60, 599,135,999.40 and 194,846,770.80 is: 292,270,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,423,999.60 : 599,135,999.40 = 194,846,770.80 : x
  2. Step 2: Convert to fraction form
    399,423,999.60/599,135,999.40 = 194,846,770.80/x
  3. Step 3: Cross multiply
    399,423,999.60x = 599,135,999.40 × 194,846,770.80
  4. Step 4: Simplify right side
    399,423,999.60x = 116,739,714,753,120,736
  5. Step 5: Solve for x
    x = 116,739,714,753,120,736/399,423,999.60
  6. Step 6: Final answer
    x = 292,270,156.20

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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.