Home / 15,383,412,010.44-21,229,108,570.26-8,342,881,642.44

Finding the Fourth Proportional to 15,383,412,010.44, 21,229,108,570.26 and 8,342,881,642.44

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Solution

The fourth proportional to 15,383,412,010.44, 21,229,108,570.26 and 8,342,881,642.44 is: 11,513,176,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,412,010.44 : 21,229,108,570.26 = 8,342,881,642.44 : x
  2. Step 2: Convert to fraction form
    15,383,412,010.44/21,229,108,570.26 = 8,342,881,642.44/x
  3. Step 3: Cross multiply
    15,383,412,010.44x = 21,229,108,570.26 × 8,342,881,642.44
  4. Step 4: Simplify right side
    15,383,412,010.44x = 177,111,940,176,187,817,984
  5. Step 5: Solve for x
    x = 177,111,940,176,187,817,984/15,383,412,010.44
  6. Step 6: Final answer
    x = 11,513,176,664.32

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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.