Home / 484,977,954.89-669,269,845.78-261,959,635.22

Finding the Fourth Proportional to 484,977,954.89, 669,269,845.78 and 261,959,635.22

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Solution

The fourth proportional to 484,977,954.89, 669,269,845.78 and 261,959,635.22 is: 361,504,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,977,954.89 : 669,269,845.78 = 261,959,635.22 : x
  2. Step 2: Convert to fraction form
    484,977,954.89/669,269,845.78 = 261,959,635.22/x
  3. Step 3: Cross multiply
    484,977,954.89x = 669,269,845.78 × 261,959,635.22
  4. Step 4: Simplify right side
    484,977,954.89x = 175,321,684,660,273,216
  5. Step 5: Solve for x
    x = 175,321,684,660,273,216/484,977,954.89
  6. Step 6: Final answer
    x = 361,504,441.37

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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.