Home / 521,567,233.40-782,350,850.10-513,505,076.60

Finding the Fourth Proportional to 521,567,233.40, 782,350,850.10 and 513,505,076.60

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Solution

The fourth proportional to 521,567,233.40, 782,350,850.10 and 513,505,076.60 is: 770,257,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,567,233.40 : 782,350,850.10 = 513,505,076.60 : x
  2. Step 2: Convert to fraction form
    521,567,233.40/782,350,850.10 = 513,505,076.60/x
  3. Step 3: Cross multiply
    521,567,233.40x = 782,350,850.10 × 513,505,076.60
  4. Step 4: Simplify right side
    521,567,233.40x = 401,741,133,208,675,648
  5. Step 5: Solve for x
    x = 401,741,133,208,675,648/521,567,233.40
  6. Step 6: Final answer
    x = 770,257,614.90

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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.