Home / 9,396,894,981.36-12,964,045,034.28-5,380,418,872.56

Finding the Fourth Proportional to 9,396,894,981.36, 12,964,045,034.28 and 5,380,418,872.56

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Solution

The fourth proportional to 9,396,894,981.36, 12,964,045,034.28 and 5,380,418,872.56 is: 7,422,876,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396,894,981.36 : 12,964,045,034.28 = 5,380,418,872.56 : x
  2. Step 2: Convert to fraction form
    9,396,894,981.36/12,964,045,034.28 = 5,380,418,872.56/x
  3. Step 3: Cross multiply
    9,396,894,981.36x = 12,964,045,034.28 × 5,380,418,872.56
  4. Step 4: Simplify right side
    9,396,894,981.36x = 69,751,992,567,157,874,688
  5. Step 5: Solve for x
    x = 69,751,992,567,157,874,688/9,396,894,981.36
  6. Step 6: Final answer
    x = 7,422,876,674.21

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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.