Home / 2,290,986,078.44-3,161,458,848.96-1,338,455,144.90

Finding the Fourth Proportional to 2,290,986,078.44, 3,161,458,848.96 and 1,338,455,144.90

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Solution

The fourth proportional to 2,290,986,078.44, 3,161,458,848.96 and 1,338,455,144.90 is: 1,847,008,544.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,986,078.44 : 3,161,458,848.96 = 1,338,455,144.90 : x
  2. Step 2: Convert to fraction form
    2,290,986,078.44/3,161,458,848.96 = 1,338,455,144.90/x
  3. Step 3: Cross multiply
    2,290,986,078.44x = 3,161,458,848.96 × 1,338,455,144.90
  4. Step 4: Simplify right side
    2,290,986,078.44x = 4,231,470,861,780,144,128
  5. Step 5: Solve for x
    x = 4,231,470,861,780,144,128/2,290,986,078.44
  6. Step 6: Final answer
    x = 1,847,008,544.31

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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.