Home / 850,629,964.82-1,275,944,947.94-204,397,708.82

Finding the Fourth Proportional to 850,629,964.82, 1,275,944,947.94 and 204,397,708.82

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Solution

The fourth proportional to 850,629,964.82, 1,275,944,947.94 and 204,397,708.82 is: 306,596,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,629,964.82 : 1,275,944,947.94 = 204,397,708.82 : x
  2. Step 2: Convert to fraction form
    850,629,964.82/1,275,944,947.94 = 204,397,708.82/x
  3. Step 3: Cross multiply
    850,629,964.82x = 1,275,944,947.94 × 204,397,708.82
  4. Step 4: Simplify right side
    850,629,964.82x = 260,800,223,939,390,176
  5. Step 5: Solve for x
    x = 260,800,223,939,390,176/850,629,964.82
  6. Step 6: Final answer
    x = 306,596,563.40

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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.