Home / 27,760,485,006.76-38,309,469,309.32-15,879,590,010.76

Finding the Fourth Proportional to 27,760,485,006.76, 38,309,469,309.32 and 15,879,590,010.76

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Solution

The fourth proportional to 27,760,485,006.76, 38,309,469,309.32 and 15,879,590,010.76 is: 21,913,834,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760,485,006.76 : 38,309,469,309.32 = 15,879,590,010.76 : x
  2. Step 2: Convert to fraction form
    27,760,485,006.76/38,309,469,309.32 = 15,879,590,010.76/x
  3. Step 3: Cross multiply
    27,760,485,006.76x = 38,309,469,309.32 × 15,879,590,010.76
  4. Step 4: Simplify right side
    27,760,485,006.76x = 608,338,666,161,603,084,288
  5. Step 5: Solve for x
    x = 608,338,666,161,603,084,288/27,760,485,006.76
  6. Step 6: Final answer
    x = 21,913,834,214.84

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Half scale
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Double scale
Find fourth proportional to 27,760,485,007.76, 38,309,469,310.70 and 15,879,590,011.76
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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.