Home / 20,394,869,113.20-30,592,303,669.80-12,109,491,346.80

Finding the Fourth Proportional to 20,394,869,113.20, 30,592,303,669.80 and 12,109,491,346.80

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Solution

The fourth proportional to 20,394,869,113.20, 30,592,303,669.80 and 12,109,491,346.80 is: 18,164,237,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394,869,113.20 : 30,592,303,669.80 = 12,109,491,346.80 : x
  2. Step 2: Convert to fraction form
    20,394,869,113.20/30,592,303,669.80 = 12,109,491,346.80/x
  3. Step 3: Cross multiply
    20,394,869,113.20x = 30,592,303,669.80 × 12,109,491,346.80
  4. Step 4: Simplify right side
    20,394,869,113.20x = 370,457,236,568,120,950,784
  5. Step 5: Solve for x
    x = 370,457,236,568,120,950,784/20,394,869,113.20
  6. Step 6: Final answer
    x = 18,164,237,020.20

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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.