Home / 3,540,752,149.39-4,886,666,445.81-2,015,211,222.61

Finding the Fourth Proportional to 3,540,752,149.39, 4,886,666,445.81 and 2,015,211,222.61

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Solution

The fourth proportional to 3,540,752,149.39, 4,886,666,445.81 and 2,015,211,222.61 is: 2,781,235,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,752,149.39 : 4,886,666,445.81 = 2,015,211,222.61 : x
  2. Step 2: Convert to fraction form
    3,540,752,149.39/4,886,666,445.81 = 2,015,211,222.61/x
  3. Step 3: Cross multiply
    3,540,752,149.39x = 4,886,666,445.81 × 2,015,211,222.61
  4. Step 4: Simplify right side
    3,540,752,149.39x = 9,847,665,062,748,033,024
  5. Step 5: Solve for x
    x = 9,847,665,062,748,033,024/3,540,752,149.39
  6. Step 6: Final answer
    x = 2,781,235,355.44

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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.