Home / 27,760,484,988.88-38,309,469,284.64-15,879,589,992.88

Finding the Fourth Proportional to 27,760,484,988.88, 38,309,469,284.64 and 15,879,589,992.88

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Solution

The fourth proportional to 27,760,484,988.88, 38,309,469,284.64 and 15,879,589,992.88 is: 21,913,834,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760,484,988.88 : 38,309,469,284.64 = 15,879,589,992.88 : x
  2. Step 2: Convert to fraction form
    27,760,484,988.88/38,309,469,284.64 = 15,879,589,992.88/x
  3. Step 3: Cross multiply
    27,760,484,988.88x = 38,309,469,284.64 × 15,879,589,992.88
  4. Step 4: Simplify right side
    27,760,484,988.88x = 608,338,665,084,913,057,792
  5. Step 5: Solve for x
    x = 608,338,665,084,913,057,792/27,760,484,988.88
  6. Step 6: Final answer
    x = 21,913,834,190.17

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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.