Home / 2,780,633,120-4,171,486,788.48-1,057,213,103.36

Finding the Fourth Proportional to 2,780,633,120, 4,171,486,788.48 and 1,057,213,103.36

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Solution

The fourth proportional to 2,780,633,120, 4,171,486,788.48 and 1,057,213,103.36 is: 1,586,023,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,633,120 : 4,171,486,788.48 = 1,057,213,103.36 : x
  2. Step 2: Convert to fraction form
    2,780,633,120/4,171,486,788.48 = 1,057,213,103.36/x
  3. Step 3: Cross multiply
    2,780,633,120x = 4,171,486,788.48 × 1,057,213,103.36
  4. Step 4: Simplify right side
    2,780,633,120x = 4,410,150,493,274,180,608
  5. Step 5: Solve for x
    x = 4,410,150,493,274,180,608/2,780,633,120
  6. Step 6: Final answer
    x = 1,586,023,866.85

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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.