Home / 27,933,887,788.06-38,599,190,018.84-19,891,265,443.11

Finding the Fourth Proportional to 27,933,887,788.06, 38,599,190,018.84 and 19,891,265,443.11

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Solution

The fourth proportional to 27,933,887,788.06, 38,599,190,018.84 and 19,891,265,443.11 is: 27,485,853,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933,887,788.06 : 38,599,190,018.84 = 19,891,265,443.11 : x
  2. Step 2: Convert to fraction form
    27,933,887,788.06/38,599,190,018.84 = 19,891,265,443.11/x
  3. Step 3: Cross multiply
    27,933,887,788.06x = 38,599,190,018.84 × 19,891,265,443.11
  4. Step 4: Simplify right side
    27,933,887,788.06x = 767,786,734,553,868,140,544
  5. Step 5: Solve for x
    x = 767,786,734,553,868,140,544/27,933,887,788.06
  6. Step 6: Final answer
    x = 27,485,853,039.12

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Double scale
Find fourth proportional to 27,933,887,789.06, 38,599,190,020.23 and 19,891,265,444.11
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.