Home / 481,643,977.64-664,668,172.74-261,627,568.04

Finding the Fourth Proportional to 481,643,977.64, 664,668,172.74 and 261,627,568.04

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Solution

The fourth proportional to 481,643,977.64, 664,668,172.74 and 261,627,568.04 is: 361,045,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,643,977.64 : 664,668,172.74 = 261,627,568.04 : x
  2. Step 2: Convert to fraction form
    481,643,977.64/664,668,172.74 = 261,627,568.04/x
  3. Step 3: Cross multiply
    481,643,977.64x = 664,668,172.74 × 261,627,568.04
  4. Step 4: Simplify right side
    481,643,977.64x = 173,895,517,587,556,832
  5. Step 5: Solve for x
    x = 173,895,517,587,556,832/481,643,977.64
  6. Step 6: Final answer
    x = 361,045,763.39

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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.