Home / 399,181,119.60-598,771,679.40-180,936,015.60

Finding the Fourth Proportional to 399,181,119.60, 598,771,679.40 and 180,936,015.60

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Solution

The fourth proportional to 399,181,119.60, 598,771,679.40 and 180,936,015.60 is: 271,404,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,181,119.60 : 598,771,679.40 = 180,936,015.60 : x
  2. Step 2: Convert to fraction form
    399,181,119.60/598,771,679.40 = 180,936,015.60/x
  3. Step 3: Cross multiply
    399,181,119.60x = 598,771,679.40 × 180,936,015.60
  4. Step 4: Simplify right side
    399,181,119.60x = 108,339,361,924,756,592
  5. Step 5: Solve for x
    x = 108,339,361,924,756,592/399,181,119.60
  6. Step 6: Final answer
    x = 271,404,023.40

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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.