Home / 850,629,960.81-1,275,944,941.94-204,397,704.81

Finding the Fourth Proportional to 850,629,960.81, 1,275,944,941.94 and 204,397,704.81

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Solution

The fourth proportional to 850,629,960.81, 1,275,944,941.94 and 204,397,704.81 is: 306,596,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,629,960.81 : 1,275,944,941.94 = 204,397,704.81 : x
  2. Step 2: Convert to fraction form
    850,629,960.81/1,275,944,941.94 = 204,397,704.81/x
  3. Step 3: Cross multiply
    850,629,960.81x = 1,275,944,941.94 × 204,397,704.81
  4. Step 4: Simplify right side
    850,629,960.81x = 260,800,217,595,442,720
  5. Step 5: Solve for x
    x = 260,800,217,595,442,720/850,629,960.81
  6. Step 6: Final answer
    x = 306,596,557.39

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1.5x scale

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.