Home / 15,383,412,009.44-21,229,108,568.88-8,342,881,641.44

Finding the Fourth Proportional to 15,383,412,009.44, 21,229,108,568.88 and 8,342,881,641.44

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Solution

The fourth proportional to 15,383,412,009.44, 21,229,108,568.88 and 8,342,881,641.44 is: 11,513,176,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,412,009.44 : 21,229,108,568.88 = 8,342,881,641.44 : x
  2. Step 2: Convert to fraction form
    15,383,412,009.44/21,229,108,568.88 = 8,342,881,641.44/x
  3. Step 3: Cross multiply
    15,383,412,009.44x = 21,229,108,568.88 × 8,342,881,641.44
  4. Step 4: Simplify right side
    15,383,412,009.44x = 177,111,940,143,445,540,864
  5. Step 5: Solve for x
    x = 177,111,940,143,445,540,864/15,383,412,009.44
  6. Step 6: Final answer
    x = 11,513,176,662.94

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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.