Home / 317,032,163.87-435,952,954.26-275,143,505.88

Finding the Fourth Proportional to 317,032,163.87, 435,952,954.26 and 275,143,505.88

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Solution

The fourth proportional to 317,032,163.87, 435,952,954.26 and 275,143,505.88 is: 378,351,593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,032,163.87 : 435,952,954.26 = 275,143,505.88 : x
  2. Step 2: Convert to fraction form
    317,032,163.87/435,952,954.26 = 275,143,505.88/x
  3. Step 3: Cross multiply
    317,032,163.87x = 435,952,954.26 × 275,143,505.88
  4. Step 4: Simplify right side
    317,032,163.87x = 119,949,624,233,839,680
  5. Step 5: Solve for x
    x = 119,949,624,233,839,680/317,032,163.87
  6. Step 6: Final answer
    x = 378,351,593.01

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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.