Home / 380,106,007.20-524,546,290.04-206,265,751.20

Finding the Fourth Proportional to 380,106,007.20, 524,546,290.04 and 206,265,751.20

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Solution

The fourth proportional to 380,106,007.20, 524,546,290.04 and 206,265,751.20 is: 284,646,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,106,007.20 : 524,546,290.04 = 206,265,751.20 : x
  2. Step 2: Convert to fraction form
    380,106,007.20/524,546,290.04 = 206,265,751.20/x
  3. Step 3: Cross multiply
    380,106,007.20x = 524,546,290.04 × 206,265,751.20
  4. Step 4: Simplify right side
    380,106,007.20x = 108,195,934,554,273,680
  5. Step 5: Solve for x
    x = 108,195,934,554,273,680/380,106,007.20
  6. Step 6: Final answer
    x = 284,646,736.71

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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.