Home / 1,431,868,312.65-1,976,150,290.14-867,336,630.14

Finding the Fourth Proportional to 1,431,868,312.65, 1,976,150,290.14 and 867,336,630.14

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Solution

The fourth proportional to 1,431,868,312.65, 1,976,150,290.14 and 867,336,630.14 is: 1,197,028,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,868,312.65 : 1,976,150,290.14 = 867,336,630.14 : x
  2. Step 2: Convert to fraction form
    1,431,868,312.65/1,976,150,290.14 = 867,336,630.14/x
  3. Step 3: Cross multiply
    1,431,868,312.65x = 1,976,150,290.14 × 867,336,630.14
  4. Step 4: Simplify right side
    1,431,868,312.65x = 1,713,987,533,290,330,112
  5. Step 5: Solve for x
    x = 1,713,987,533,290,330,112/1,431,868,312.65
  6. Step 6: Final answer
    x = 1,197,028,747.79

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Double scale
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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.