Home / 1,993,819,132.40-2,990,728,698.60-1,340,784,431.60

Finding the Fourth Proportional to 1,993,819,132.40, 2,990,728,698.60 and 1,340,784,431.60

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Solution

The fourth proportional to 1,993,819,132.40, 2,990,728,698.60 and 1,340,784,431.60 is: 2,011,176,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,819,132.40 : 2,990,728,698.60 = 1,340,784,431.60 : x
  2. Step 2: Convert to fraction form
    1,993,819,132.40/2,990,728,698.60 = 1,340,784,431.60/x
  3. Step 3: Cross multiply
    1,993,819,132.40x = 2,990,728,698.60 × 1,340,784,431.60
  4. Step 4: Simplify right side
    1,993,819,132.40x = 4,009,922,478,222,208,512
  5. Step 5: Solve for x
    x = 4,009,922,478,222,208,512/1,993,819,132.40
  6. Step 6: Final answer
    x = 2,011,176,647.40

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Double scale
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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.