Home / 399,181,104.60-598,771,656.90-180,936,000.60

Finding the Fourth Proportional to 399,181,104.60, 598,771,656.90 and 180,936,000.60

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Solution

The fourth proportional to 399,181,104.60, 598,771,656.90 and 180,936,000.60 is: 271,404,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,181,104.60 : 598,771,656.90 = 180,936,000.60 : x
  2. Step 2: Convert to fraction form
    399,181,104.60/598,771,656.90 = 180,936,000.60/x
  3. Step 3: Cross multiply
    399,181,104.60x = 598,771,656.90 × 180,936,000.60
  4. Step 4: Simplify right side
    399,181,104.60x = 108,339,348,872,121,392
  5. Step 5: Solve for x
    x = 108,339,348,872,121,392/399,181,104.60
  6. Step 6: Final answer
    x = 271,404,000.90

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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.