Home / 1,431,868,309.65-1,976,150,286-867,336,627.14

Finding the Fourth Proportional to 1,431,868,309.65, 1,976,150,286 and 867,336,627.14

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Solution

The fourth proportional to 1,431,868,309.65, 1,976,150,286 and 867,336,627.14 is: 1,197,028,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,868,309.65 : 1,976,150,286 = 867,336,627.14 : x
  2. Step 2: Convert to fraction form
    1,431,868,309.65/1,976,150,286 = 867,336,627.14/x
  3. Step 3: Cross multiply
    1,431,868,309.65x = 1,976,150,286 × 867,336,627.14
  4. Step 4: Simplify right side
    1,431,868,309.65x = 1,713,987,523,771,105,536
  5. Step 5: Solve for x
    x = 1,713,987,523,771,105,536/1,431,868,309.65
  6. Step 6: Final answer
    x = 1,197,028,743.65

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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.