Home / 27,588,480,640.80-41,382,720,961.20-7,959,816,218.40

Finding the Fourth Proportional to 27,588,480,640.80, 41,382,720,961.20 and 7,959,816,218.40

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Solution

The fourth proportional to 27,588,480,640.80, 41,382,720,961.20 and 7,959,816,218.40 is: 11,939,724,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588,480,640.80 : 41,382,720,961.20 = 7,959,816,218.40 : x
  2. Step 2: Convert to fraction form
    27,588,480,640.80/41,382,720,961.20 = 7,959,816,218.40/x
  3. Step 3: Cross multiply
    27,588,480,640.80x = 41,382,720,961.20 × 7,959,816,218.40
  4. Step 4: Simplify right side
    27,588,480,640.80x = 329,398,853,468,481,388,544
  5. Step 5: Solve for x
    x = 329,398,853,468,481,388,544/27,588,480,640.80
  6. Step 6: Final answer
    x = 11,939,724,327.60

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Double scale
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Similar ratio
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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.