Home / 457,519,324.49-631,680,720.62-351,483,891.27

Finding the Fourth Proportional to 457,519,324.49, 631,680,720.62 and 351,483,891.27

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Solution

The fourth proportional to 457,519,324.49, 631,680,720.62 and 351,483,891.27 is: 485,281,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,519,324.49 : 631,680,720.62 = 351,483,891.27 : x
  2. Step 2: Convert to fraction form
    457,519,324.49/631,680,720.62 = 351,483,891.27/x
  3. Step 3: Cross multiply
    457,519,324.49x = 631,680,720.62 × 351,483,891.27
  4. Step 4: Simplify right side
    457,519,324.49x = 222,025,597,719,629,120
  5. Step 5: Solve for x
    x = 222,025,597,719,629,120/457,519,324.49
  6. Step 6: Final answer
    x = 485,281,354.98

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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.