Home / 1,120,757,132.40-1,681,135,698.60-1,105,451,631.60

Finding the Fourth Proportional to 1,120,757,132.40, 1,681,135,698.60 and 1,105,451,631.60

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Solution

The fourth proportional to 1,120,757,132.40, 1,681,135,698.60 and 1,105,451,631.60 is: 1,658,177,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,757,132.40 : 1,681,135,698.60 = 1,105,451,631.60 : x
  2. Step 2: Convert to fraction form
    1,120,757,132.40/1,681,135,698.60 = 1,105,451,631.60/x
  3. Step 3: Cross multiply
    1,120,757,132.40x = 1,681,135,698.60 × 1,105,451,631.60
  4. Step 4: Simplify right side
    1,120,757,132.40x = 1,858,414,200,958,375,680
  5. Step 5: Solve for x
    x = 1,858,414,200,958,375,680/1,120,757,132.40
  6. Step 6: Final answer
    x = 1,658,177,447.40

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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.