Home / 2,070,625,977-3,106,002,738.42-905,494,728.60

Finding the Fourth Proportional to 2,070,625,977, 3,106,002,738.42 and 905,494,728.60

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Solution

The fourth proportional to 2,070,625,977, 3,106,002,738.42 and 905,494,728.60 is: 1,358,269,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,625,977 : 3,106,002,738.42 = 905,494,728.60 : x
  2. Step 2: Convert to fraction form
    2,070,625,977/3,106,002,738.42 = 905,494,728.60/x
  3. Step 3: Cross multiply
    2,070,625,977x = 3,106,002,738.42 × 905,494,728.60
  4. Step 4: Simplify right side
    2,070,625,977x = 2,812,469,106,656,474,624
  5. Step 5: Solve for x
    x = 2,812,469,106,656,474,624/2,070,625,977
  6. Step 6: Final answer
    x = 1,358,269,981.11

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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.