Home / 13,969,045,556.40-20,953,568,334.60-13,142,548,513.20

Finding the Fourth Proportional to 13,969,045,556.40, 20,953,568,334.60 and 13,142,548,513.20

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Solution

The fourth proportional to 13,969,045,556.40, 20,953,568,334.60 and 13,142,548,513.20 is: 19,713,822,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969,045,556.40 : 20,953,568,334.60 = 13,142,548,513.20 : x
  2. Step 2: Convert to fraction form
    13,969,045,556.40/20,953,568,334.60 = 13,142,548,513.20/x
  3. Step 3: Cross multiply
    13,969,045,556.40x = 20,953,568,334.60 × 13,142,548,513.20
  4. Step 4: Simplify right side
    13,969,045,556.40x = 275,383,288,362,131,816,448
  5. Step 5: Solve for x
    x = 275,383,288,362,131,816,448/13,969,045,556.40
  6. Step 6: Final answer
    x = 19,713,822,769.80

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Double scale
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Similar ratio
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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.