Home / 201,771,760,761.39-278,445,053,459.43-110,320,373,533.71

Finding the Fourth Proportional to 201,771,760,761.39, 278,445,053,459.43 and 110,320,373,533.71

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Solution

The fourth proportional to 201,771,760,761.39, 278,445,053,459.43 and 110,320,373,533.71 is: 152,242,128,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,771,760,761.39 : 278,445,053,459.43 = 110,320,373,533.71 : x
  2. Step 2: Convert to fraction form
    201,771,760,761.39/278,445,053,459.43 = 110,320,373,533.71/x
  3. Step 3: Cross multiply
    201,771,760,761.39x = 278,445,053,459.43 × 110,320,373,533.71
  4. Step 4: Simplify right side
    201,771,760,761.39x = 30,718,162,306,258,169,757,696
  5. Step 5: Solve for x
    x = 30,718,162,306,258,169,757,696/201,771,760,761.39
  6. Step 6: Final answer
    x = 152,242,128,384.78

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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.