Home / 5,199,510,974.76-7,175,325,145.32-2,971,890,993.24

Finding the Fourth Proportional to 5,199,510,974.76, 7,175,325,145.32 and 2,971,890,993.24

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Solution

The fourth proportional to 5,199,510,974.76, 7,175,325,145.32 and 2,971,890,993.24 is: 4,101,209,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,510,974.76 : 7,175,325,145.32 = 2,971,890,993.24 : x
  2. Step 2: Convert to fraction form
    5,199,510,974.76/7,175,325,145.32 = 2,971,890,993.24/x
  3. Step 3: Cross multiply
    5,199,510,974.76x = 7,175,325,145.32 × 2,971,890,993.24
  4. Step 4: Simplify right side
    5,199,510,974.76x = 21,324,284,172,944,998,400
  5. Step 5: Solve for x
    x = 21,324,284,172,944,998,400/5,199,510,974.76
  6. Step 6: Final answer
    x = 4,101,209,570.76

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Double scale
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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.