Home / 2,659,403,906.55-3,989,105,859.83-1,281,908,834.55

Finding the Fourth Proportional to 2,659,403,906.55, 3,989,105,859.83 and 1,281,908,834.55

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Solution

The fourth proportional to 2,659,403,906.55, 3,989,105,859.83 and 1,281,908,834.55 is: 1,922,863,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,403,906.55 : 3,989,105,859.83 = 1,281,908,834.55 : x
  2. Step 2: Convert to fraction form
    2,659,403,906.55/3,989,105,859.83 = 1,281,908,834.55/x
  3. Step 3: Cross multiply
    2,659,403,906.55x = 3,989,105,859.83 × 1,281,908,834.55
  4. Step 4: Simplify right side
    2,659,403,906.55x = 5,113,670,043,664,840,704
  5. Step 5: Solve for x
    x = 5,113,670,043,664,840,704/2,659,403,906.55
  6. Step 6: Final answer
    x = 1,922,863,251.83

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.