Home / 20,394,088,367.20-30,591,132,550.80-12,108,710,600.80

Finding the Fourth Proportional to 20,394,088,367.20, 30,591,132,550.80 and 12,108,710,600.80

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Solution

The fourth proportional to 20,394,088,367.20, 30,591,132,550.80 and 12,108,710,600.80 is: 18,163,065,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394,088,367.20 : 30,591,132,550.80 = 12,108,710,600.80 : x
  2. Step 2: Convert to fraction form
    20,394,088,367.20/30,591,132,550.80 = 12,108,710,600.80/x
  3. Step 3: Cross multiply
    20,394,088,367.20x = 30,591,132,550.80 × 12,108,710,600.80
  4. Step 4: Simplify right side
    20,394,088,367.20x = 370,419,171,008,349,863,936
  5. Step 5: Solve for x
    x = 370,419,171,008,349,863,936/20,394,088,367.20
  6. Step 6: Final answer
    x = 18,163,065,901.20

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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.