Home / 13,608,289,414.20-20,412,434,121.30-12,213,575,653.80

Finding the Fourth Proportional to 13,608,289,414.20, 20,412,434,121.30 and 12,213,575,653.80

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Solution

The fourth proportional to 13,608,289,414.20, 20,412,434,121.30 and 12,213,575,653.80 is: 18,320,363,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,289,414.20 : 20,412,434,121.30 = 12,213,575,653.80 : x
  2. Step 2: Convert to fraction form
    13,608,289,414.20/20,412,434,121.30 = 12,213,575,653.80/x
  3. Step 3: Cross multiply
    13,608,289,414.20x = 20,412,434,121.30 × 12,213,575,653.80
  4. Step 4: Simplify right side
    13,608,289,414.20x = 249,308,808,418,706,063,360
  5. Step 5: Solve for x
    x = 249,308,808,418,706,063,360/13,608,289,414.20
  6. Step 6: Final answer
    x = 18,320,363,480.70

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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.