Home / 27,933,887,781.32-38,599,190,009.49-19,891,265,436.33

Finding the Fourth Proportional to 27,933,887,781.32, 38,599,190,009.49 and 19,891,265,436.33

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Solution

The fourth proportional to 27,933,887,781.32, 38,599,190,009.49 and 19,891,265,436.33 is: 27,485,853,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933,887,781.32 : 38,599,190,009.49 = 19,891,265,436.33 : x
  2. Step 2: Convert to fraction form
    27,933,887,781.32/38,599,190,009.49 = 19,891,265,436.33/x
  3. Step 3: Cross multiply
    27,933,887,781.32x = 38,599,190,009.49 × 19,891,265,436.33
  4. Step 4: Simplify right side
    27,933,887,781.32x = 767,786,734,106,046,496,768
  5. Step 5: Solve for x
    x = 767,786,734,106,046,496,768/27,933,887,781.32
  6. Step 6: Final answer
    x = 27,485,853,029.72

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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.