Home / 1,621,383,185.04-2,237,512,092.41-878,827,750.80

Finding the Fourth Proportional to 1,621,383,185.04, 2,237,512,092.41 and 878,827,750.80

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Solution

The fourth proportional to 1,621,383,185.04, 2,237,512,092.41 and 878,827,750.80 is: 1,212,784,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,383,185.04 : 2,237,512,092.41 = 878,827,750.80 : x
  2. Step 2: Convert to fraction form
    1,621,383,185.04/2,237,512,092.41 = 878,827,750.80/x
  3. Step 3: Cross multiply
    1,621,383,185.04x = 2,237,512,092.41 × 878,827,750.80
  4. Step 4: Simplify right side
    1,621,383,185.04x = 1,966,387,719,556,088,064
  5. Step 5: Solve for x
    x = 1,966,387,719,556,088,064/1,621,383,185.04
  6. Step 6: Final answer
    x = 1,212,784,083.18

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Double scale
Find fourth proportional to 1,621,383,186.04, 2,237,512,093.79 and 878,827,751.80
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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.