Home / 5,555,818,778.23-7,667,040,800.40-3,298,211,067.70

Finding the Fourth Proportional to 5,555,818,778.23, 7,667,040,800.40 and 3,298,211,067.70

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Solution

The fourth proportional to 5,555,818,778.23, 7,667,040,800.40 and 3,298,211,067.70 is: 4,551,537,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555,818,778.23 : 7,667,040,800.40 = 3,298,211,067.70 : x
  2. Step 2: Convert to fraction form
    5,555,818,778.23/7,667,040,800.40 = 3,298,211,067.70/x
  3. Step 3: Cross multiply
    5,555,818,778.23x = 7,667,040,800.40 × 3,298,211,067.70
  4. Step 4: Simplify right side
    5,555,818,778.23x = 25,287,518,824,386,744,320
  5. Step 5: Solve for x
    x = 25,287,518,824,386,744,320/5,555,818,778.23
  6. Step 6: Final answer
    x = 4,551,537,736.16

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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.