Home / 439,770,016.40-659,729,674.20-133,059,693.20

Finding the Fourth Proportional to 439,770,016.40, 659,729,674.20 and 133,059,693.20

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Solution

The fourth proportional to 439,770,016.40, 659,729,674.20 and 133,059,693.20 is: 199,612,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,770,016.40 : 659,729,674.20 = 133,059,693.20 : x
  2. Step 2: Convert to fraction form
    439,770,016.40/659,729,674.20 = 133,059,693.20/x
  3. Step 3: Cross multiply
    439,770,016.40x = 659,729,674.20 × 133,059,693.20
  4. Step 4: Simplify right side
    439,770,016.40x = 87,783,428,043,987,968
  5. Step 5: Solve for x
    x = 87,783,428,043,987,968/439,770,016.40
  6. Step 6: Final answer
    x = 199,612,126.27

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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.