Home / 3,811,682,968.56-5,260,280,637.87-2,118,131,289.68

Finding the Fourth Proportional to 3,811,682,968.56, 5,260,280,637.87 and 2,118,131,289.68

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Solution

The fourth proportional to 3,811,682,968.56, 5,260,280,637.87 and 2,118,131,289.68 is: 2,923,109,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,682,968.56 : 5,260,280,637.87 = 2,118,131,289.68 : x
  2. Step 2: Convert to fraction form
    3,811,682,968.56/5,260,280,637.87 = 2,118,131,289.68/x
  3. Step 3: Cross multiply
    3,811,682,968.56x = 5,260,280,637.87 × 2,118,131,289.68
  4. Step 4: Simplify right side
    3,811,682,968.56x = 11,141,965,011,544,014,848
  5. Step 5: Solve for x
    x = 11,141,965,011,544,014,848/3,811,682,968.56
  6. Step 6: Final answer
    x = 2,923,109,057.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.