Home / 339,976,999.60-509,965,499.40-109,969,334.80

Finding the Fourth Proportional to 339,976,999.60, 509,965,499.40 and 109,969,334.80

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Solution

The fourth proportional to 339,976,999.60, 509,965,499.40 and 109,969,334.80 is: 164,954,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,976,999.60 : 509,965,499.40 = 109,969,334.80 : x
  2. Step 2: Convert to fraction form
    339,976,999.60/509,965,499.40 = 109,969,334.80/x
  3. Step 3: Cross multiply
    339,976,999.60x = 509,965,499.40 × 109,969,334.80
  4. Step 4: Simplify right side
    339,976,999.60x = 56,080,566,739,967,792
  5. Step 5: Solve for x
    x = 56,080,566,739,967,792/339,976,999.60
  6. Step 6: Final answer
    x = 164,954,002.20

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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.