Home / 290,846,319.22-401,491,766.26-195,532,106.76

Finding the Fourth Proportional to 290,846,319.22, 401,491,766.26 and 195,532,106.76

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Solution

The fourth proportional to 290,846,319.22, 401,491,766.26 and 195,532,106.76 is: 269,917,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,846,319.22 : 401,491,766.26 = 195,532,106.76 : x
  2. Step 2: Convert to fraction form
    290,846,319.22/401,491,766.26 = 195,532,106.76/x
  3. Step 3: Cross multiply
    290,846,319.22x = 401,491,766.26 × 195,532,106.76
  4. Step 4: Simplify right side
    290,846,319.22x = 78,504,530,902,756,816
  5. Step 5: Solve for x
    x = 78,504,530,902,756,816/290,846,319.22
  6. Step 6: Final answer
    x = 269,917,567.17

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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.