Home / 4,871,842,571.91-6,721,990,445.78-2,757,298,515.45

Finding the Fourth Proportional to 4,871,842,571.91, 6,721,990,445.78 and 2,757,298,515.45

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Solution

The fourth proportional to 4,871,842,571.91, 6,721,990,445.78 and 2,757,298,515.45 is: 3,804,419,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871,842,571.91 : 6,721,990,445.78 = 2,757,298,515.45 : x
  2. Step 2: Convert to fraction form
    4,871,842,571.91/6,721,990,445.78 = 2,757,298,515.45/x
  3. Step 3: Cross multiply
    4,871,842,571.91x = 6,721,990,445.78 × 2,757,298,515.45
  4. Step 4: Simplify right side
    4,871,842,571.91x = 18,534,534,277,004,488,704
  5. Step 5: Solve for x
    x = 18,534,534,277,004,488,704/4,871,842,571.91
  6. Step 6: Final answer
    x = 3,804,419,786.44

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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.