Home / 201,771,760,768.36-278,445,053,469.10-110,320,373,540.72

Finding the Fourth Proportional to 201,771,760,768.36, 278,445,053,469.10 and 110,320,373,540.72

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Solution

The fourth proportional to 201,771,760,768.36, 278,445,053,469.10 and 110,320,373,540.72 is: 152,242,128,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,771,760,768.36 : 278,445,053,469.10 = 110,320,373,540.72 : x
  2. Step 2: Convert to fraction form
    201,771,760,768.36/278,445,053,469.10 = 110,320,373,540.72/x
  3. Step 3: Cross multiply
    201,771,760,768.36x = 278,445,053,469.10 × 110,320,373,540.72
  4. Step 4: Simplify right side
    201,771,760,768.36x = 30,718,162,309,276,864,872,448
  5. Step 5: Solve for x
    x = 30,718,162,309,276,864,872,448/201,771,760,768.36
  6. Step 6: Final answer
    x = 152,242,128,394.48

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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.