Home / 13,368,716,336.80-20,053,074,505.20-7,169,988,512.80

Finding the Fourth Proportional to 13,368,716,336.80, 20,053,074,505.20 and 7,169,988,512.80

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Solution

The fourth proportional to 13,368,716,336.80, 20,053,074,505.20 and 7,169,988,512.80 is: 10,754,982,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368,716,336.80 : 20,053,074,505.20 = 7,169,988,512.80 : x
  2. Step 2: Convert to fraction form
    13,368,716,336.80/20,053,074,505.20 = 7,169,988,512.80/x
  3. Step 3: Cross multiply
    13,368,716,336.80x = 20,053,074,505.20 × 7,169,988,512.80
  4. Step 4: Simplify right side
    13,368,716,336.80x = 143,780,313,848,606,556,160
  5. Step 5: Solve for x
    x = 143,780,313,848,606,556,160/13,368,716,336.80
  6. Step 6: Final answer
    x = 10,754,982,769.20

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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.