Home / 27,730,725,031.44-38,268,400,542.48-15,850,085,127.12

Finding the Fourth Proportional to 27,730,725,031.44, 38,268,400,542.48 and 15,850,085,127.12

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Solution

The fourth proportional to 27,730,725,031.44, 38,268,400,542.48 and 15,850,085,127.12 is: 21,873,117,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730,725,031.44 : 38,268,400,542.48 = 15,850,085,127.12 : x
  2. Step 2: Convert to fraction form
    27,730,725,031.44/38,268,400,542.48 = 15,850,085,127.12/x
  3. Step 3: Cross multiply
    27,730,725,031.44x = 38,268,400,542.48 × 15,850,085,127.12
  4. Step 4: Simplify right side
    27,730,725,031.44x = 606,557,406,277,033,263,104
  5. Step 5: Solve for x
    x = 606,557,406,277,033,263,104/27,730,725,031.44
  6. Step 6: Final answer
    x = 21,873,117,474.91

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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.