Home / 483,539,812.72-667,287,201.26-274,707,414.56

Finding the Fourth Proportional to 483,539,812.72, 667,287,201.26 and 274,707,414.56

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Solution

The fourth proportional to 483,539,812.72, 667,287,201.26 and 274,707,414.56 is: 379,097,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,539,812.72 : 667,287,201.26 = 274,707,414.56 : x
  2. Step 2: Convert to fraction form
    483,539,812.72/667,287,201.26 = 274,707,414.56/x
  3. Step 3: Cross multiply
    483,539,812.72x = 667,287,201.26 × 274,707,414.56
  4. Step 4: Simplify right side
    483,539,812.72x = 183,308,741,827,112,960
  5. Step 5: Solve for x
    x = 183,308,741,827,112,960/483,539,812.72
  6. Step 6: Final answer
    x = 379,097,515.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.