Home / 746,428,634.20-1,118,821,805.70-261,504,832.60

Finding the Fourth Proportional to 746,428,634.20, 1,118,821,805.70 and 261,504,832.60

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Solution

The fourth proportional to 746,428,634.20, 1,118,821,805.70 and 261,504,832.60 is: 391,969,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,428,634.20 : 1,118,821,805.70 = 261,504,832.60 : x
  2. Step 2: Convert to fraction form
    746,428,634.20/1,118,821,805.70 = 261,504,832.60/x
  3. Step 3: Cross multiply
    746,428,634.20x = 1,118,821,805.70 × 261,504,832.60
  4. Step 4: Simplify right side
    746,428,634.20x = 292,577,309,008,808,256
  5. Step 5: Solve for x
    x = 292,577,309,008,808,256/746,428,634.20
  6. Step 6: Final answer
    x = 391,969,567.62

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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.