Home / 2,055,387,988.11-2,836,428,271.47-1,115,590,627.56

Finding the Fourth Proportional to 2,055,387,988.11, 2,836,428,271.47 and 1,115,590,627.56

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Solution

The fourth proportional to 2,055,387,988.11, 2,836,428,271.47 and 1,115,590,627.56 is: 1,539,511,184.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,387,988.11 : 2,836,428,271.47 = 1,115,590,627.56 : x
  2. Step 2: Convert to fraction form
    2,055,387,988.11/2,836,428,271.47 = 1,115,590,627.56/x
  3. Step 3: Cross multiply
    2,055,387,988.11x = 2,836,428,271.47 × 1,115,590,627.56
  4. Step 4: Simplify right side
    2,055,387,988.11x = 3,164,292,795,398,142,976
  5. Step 5: Solve for x
    x = 3,164,292,795,398,142,976/2,055,387,988.11
  6. Step 6: Final answer
    x = 1,539,511,184.12

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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.