Home / 5,065,336,870.78-6,990,165,544.22-2,807,422,169.09

Finding the Fourth Proportional to 5,065,336,870.78, 6,990,165,544.22 and 2,807,422,169.09

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Solution

The fourth proportional to 5,065,336,870.78, 6,990,165,544.22 and 2,807,422,169.09 is: 3,874,242,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065,336,870.78 : 6,990,165,544.22 = 2,807,422,169.09 : x
  2. Step 2: Convert to fraction form
    5,065,336,870.78/6,990,165,544.22 = 2,807,422,169.09/x
  3. Step 3: Cross multiply
    5,065,336,870.78x = 6,990,165,544.22 × 2,807,422,169.09
  4. Step 4: Simplify right side
    5,065,336,870.78x = 19,624,345,714,452,295,680
  5. Step 5: Solve for x
    x = 19,624,345,714,452,295,680/5,065,336,870.78
  6. Step 6: Final answer
    x = 3,874,242,960.55

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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.