Home / 17,478,612,010.80-26,217,918,016.20-15,458,285,905.20

Finding the Fourth Proportional to 17,478,612,010.80, 26,217,918,016.20 and 15,458,285,905.20

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Solution

The fourth proportional to 17,478,612,010.80, 26,217,918,016.20 and 15,458,285,905.20 is: 23,187,428,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478,612,010.80 : 26,217,918,016.20 = 15,458,285,905.20 : x
  2. Step 2: Convert to fraction form
    17,478,612,010.80/26,217,918,016.20 = 15,458,285,905.20/x
  3. Step 3: Cross multiply
    17,478,612,010.80x = 26,217,918,016.20 × 15,458,285,905.20
  4. Step 4: Simplify right side
    17,478,612,010.80x = 405,284,072,533,513,666,560
  5. Step 5: Solve for x
    x = 405,284,072,533,513,666,560/17,478,612,010.80
  6. Step 6: Final answer
    x = 23,187,428,857.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.