Home / 5,255,005,176.39-7,251,612,087.38-2,876,138,266.71

Finding the Fourth Proportional to 5,255,005,176.39, 7,251,612,087.38 and 2,876,138,266.71

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Solution

The fourth proportional to 5,255,005,176.39, 7,251,612,087.38 and 2,876,138,266.71 is: 3,968,909,319.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255,005,176.39 : 7,251,612,087.38 = 2,876,138,266.71 : x
  2. Step 2: Convert to fraction form
    5,255,005,176.39/7,251,612,087.38 = 2,876,138,266.71/x
  3. Step 3: Cross multiply
    5,255,005,176.39x = 7,251,612,087.38 × 2,876,138,266.71
  4. Step 4: Simplify right side
    5,255,005,176.39x = 20,856,639,019,836,018,688
  5. Step 5: Solve for x
    x = 20,856,639,019,836,018,688/5,255,005,176.39
  6. Step 6: Final answer
    x = 3,968,909,319.74

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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.