Home / 1,431,868,316.12-1,976,150,294.93-867,336,633.61

Finding the Fourth Proportional to 1,431,868,316.12, 1,976,150,294.93 and 867,336,633.61

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Solution

The fourth proportional to 1,431,868,316.12, 1,976,150,294.93 and 867,336,633.61 is: 1,197,028,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,868,316.12 : 1,976,150,294.93 = 867,336,633.61 : x
  2. Step 2: Convert to fraction form
    1,431,868,316.12/1,976,150,294.93 = 867,336,633.61/x
  3. Step 3: Cross multiply
    1,431,868,316.12x = 1,976,150,294.93 × 867,336,633.61
  4. Step 4: Simplify right side
    1,431,868,316.12x = 1,713,987,544,306,373,888
  5. Step 5: Solve for x
    x = 1,713,987,544,306,373,888/1,431,868,316.12
  6. Step 6: Final answer
    x = 1,197,028,752.58

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Double scale
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1.5x scale

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.