Home / 27,760,484,993.86-38,309,469,291.54-15,879,589,997.86

Finding the Fourth Proportional to 27,760,484,993.86, 38,309,469,291.54 and 15,879,589,997.86

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Solution

The fourth proportional to 27,760,484,993.86, 38,309,469,291.54 and 15,879,589,997.86 is: 21,913,834,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,760,484,993.86 : 38,309,469,291.54 = 15,879,589,997.86 : x
  2. Step 2: Convert to fraction form
    27,760,484,993.86/38,309,469,291.54 = 15,879,589,997.86/x
  3. Step 3: Cross multiply
    27,760,484,993.86x = 38,309,469,291.54 × 15,879,589,997.86
  4. Step 4: Simplify right side
    27,760,484,993.86x = 608,338,665,385,263,497,216
  5. Step 5: Solve for x
    x = 608,338,665,385,263,497,216/27,760,484,993.86
  6. Step 6: Final answer
    x = 21,913,834,197.05

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Half scale
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Double scale
Find fourth proportional to 27,760,484,994.86, 38,309,469,292.92 and 15,879,589,998.86
Similar ratio
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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.