Home / 2,585,716,132.56-3,879,118,921.96-838,782,464.64

Finding the Fourth Proportional to 2,585,716,132.56, 3,879,118,921.96 and 838,782,464.64

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Solution

The fourth proportional to 2,585,716,132.56, 3,879,118,921.96 and 838,782,464.64 is: 1,258,350,400.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585,716,132.56 : 3,879,118,921.96 = 838,782,464.64 : x
  2. Step 2: Convert to fraction form
    2,585,716,132.56/3,879,118,921.96 = 838,782,464.64/x
  3. Step 3: Cross multiply
    2,585,716,132.56x = 3,879,118,921.96 × 838,782,464.64
  4. Step 4: Simplify right side
    2,585,716,132.56x = 3,253,736,929,993,268,736
  5. Step 5: Solve for x
    x = 3,253,736,929,993,268,736/2,585,716,132.56
  6. Step 6: Final answer
    x = 1,258,350,400.12

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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.