Home / 1,621,383,185.16-2,237,512,092.59-878,827,750.92

Finding the Fourth Proportional to 1,621,383,185.16, 2,237,512,092.59 and 878,827,750.92

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Solution

The fourth proportional to 1,621,383,185.16, 2,237,512,092.59 and 878,827,750.92 is: 1,212,784,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,383,185.16 : 2,237,512,092.59 = 878,827,750.92 : x
  2. Step 2: Convert to fraction form
    1,621,383,185.16/2,237,512,092.59 = 878,827,750.92/x
  3. Step 3: Cross multiply
    1,621,383,185.16x = 2,237,512,092.59 × 878,827,750.92
  4. Step 4: Simplify right side
    1,621,383,185.16x = 1,966,387,719,987,172,608
  5. Step 5: Solve for x
    x = 1,966,387,719,987,172,608/1,621,383,185.16
  6. Step 6: Final answer
    x = 1,212,784,083.36

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Double scale
Find fourth proportional to 1,621,383,186.16, 2,237,512,093.97 and 878,827,751.92
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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.