Home / 27,933,887,782.31-38,599,190,010.87-19,891,265,437.33

Finding the Fourth Proportional to 27,933,887,782.31, 38,599,190,010.87 and 19,891,265,437.33

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Solution

The fourth proportional to 27,933,887,782.31, 38,599,190,010.87 and 19,891,265,437.33 is: 27,485,853,031.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933,887,782.31 : 38,599,190,010.87 = 19,891,265,437.33 : x
  2. Step 2: Convert to fraction form
    27,933,887,782.31/38,599,190,010.87 = 19,891,265,437.33/x
  3. Step 3: Cross multiply
    27,933,887,782.31x = 38,599,190,010.87 × 19,891,265,437.33
  4. Step 4: Simplify right side
    27,933,887,782.31x = 767,786,734,172,152,004,608
  5. Step 5: Solve for x
    x = 767,786,734,172,152,004,608/27,933,887,782.31
  6. Step 6: Final answer
    x = 27,485,853,031.11

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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.