Home / 80,481,513,635.64-111,061,255,239.27-43,858,851,309.69

Finding the Fourth Proportional to 80,481,513,635.64, 111,061,255,239.27 and 43,858,851,309.69

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Solution

The fourth proportional to 80,481,513,635.64, 111,061,255,239.27 and 43,858,851,309.69 is: 60,523,452,650.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,481,513,635.64 : 111,061,255,239.27 = 43,858,851,309.69 : x
  2. Step 2: Convert to fraction form
    80,481,513,635.64/111,061,255,239.27 = 43,858,851,309.69/x
  3. Step 3: Cross multiply
    80,481,513,635.64x = 111,061,255,239.27 × 43,858,851,309.69
  4. Step 4: Simplify right side
    80,481,513,635.64x = 4,871,019,079,806,894,473,216
  5. Step 5: Solve for x
    x = 4,871,019,079,806,894,473,216/80,481,513,635.64
  6. Step 6: Final answer
    x = 60,523,452,650.99

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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.