Home / 1,993,819,119.40-2,990,728,679.10-1,340,784,418.60

Finding the Fourth Proportional to 1,993,819,119.40, 2,990,728,679.10 and 1,340,784,418.60

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Solution

The fourth proportional to 1,993,819,119.40, 2,990,728,679.10 and 1,340,784,418.60 is: 2,011,176,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,819,119.40 : 2,990,728,679.10 = 1,340,784,418.60 : x
  2. Step 2: Convert to fraction form
    1,993,819,119.40/2,990,728,679.10 = 1,340,784,418.60/x
  3. Step 3: Cross multiply
    1,993,819,119.40x = 2,990,728,679.10 × 1,340,784,418.60
  4. Step 4: Simplify right side
    1,993,819,119.40x = 4,009,922,413,197,438,976
  5. Step 5: Solve for x
    x = 4,009,922,413,197,438,976/1,993,819,119.40
  6. Step 6: Final answer
    x = 2,011,176,627.90

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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.