Home / 27,760,485,005.25-38,309,469,307.25-15,879,590,009.25

Finding the Fourth Proportional to 27,760,485,005.25, 38,309,469,307.25 and 15,879,590,009.25

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Solution

The fourth proportional to 27,760,485,005.25, 38,309,469,307.25 and 15,879,590,009.25 is: 21,913,834,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760,485,005.25 : 38,309,469,307.25 = 15,879,590,009.25 : x
  2. Step 2: Convert to fraction form
    27,760,485,005.25/38,309,469,307.25 = 15,879,590,009.25/x
  3. Step 3: Cross multiply
    27,760,485,005.25x = 38,309,469,307.25 × 15,879,590,009.25
  4. Step 4: Simplify right side
    27,760,485,005.25x = 608,338,666,071,076,634,624
  5. Step 5: Solve for x
    x = 608,338,666,071,076,634,624/27,760,485,005.25
  6. Step 6: Final answer
    x = 21,913,834,212.77

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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.