Home / 1,993,819,127.40-2,990,728,691.10-1,340,784,426.60

Finding the Fourth Proportional to 1,993,819,127.40, 2,990,728,691.10 and 1,340,784,426.60

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Solution

The fourth proportional to 1,993,819,127.40, 2,990,728,691.10 and 1,340,784,426.60 is: 2,011,176,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,819,127.40 : 2,990,728,691.10 = 1,340,784,426.60 : x
  2. Step 2: Convert to fraction form
    1,993,819,127.40/2,990,728,691.10 = 1,340,784,426.60/x
  3. Step 3: Cross multiply
    1,993,819,127.40x = 2,990,728,691.10 × 1,340,784,426.60
  4. Step 4: Simplify right side
    1,993,819,127.40x = 4,009,922,453,212,681,728
  5. Step 5: Solve for x
    x = 4,009,922,453,212,681,728/1,993,819,127.40
  6. Step 6: Final answer
    x = 2,011,176,639.90

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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.