Home / 12,544,632,766.80-18,816,949,150.20-8,789,683,237.20

Finding the Fourth Proportional to 12,544,632,766.80, 18,816,949,150.20 and 8,789,683,237.20

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Solution

The fourth proportional to 12,544,632,766.80, 18,816,949,150.20 and 8,789,683,237.20 is: 13,184,524,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,632,766.80 : 18,816,949,150.20 = 8,789,683,237.20 : x
  2. Step 2: Convert to fraction form
    12,544,632,766.80/18,816,949,150.20 = 8,789,683,237.20/x
  3. Step 3: Cross multiply
    12,544,632,766.80x = 18,816,949,150.20 × 8,789,683,237.20
  4. Step 4: Simplify right side
    12,544,632,766.80x = 165,395,022,520,757,747,712
  5. Step 5: Solve for x
    x = 165,395,022,520,757,747,712/12,544,632,766.80
  6. Step 6: Final answer
    x = 13,184,524,855.80

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1.5x scale

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.