Home / 13,988,091,986.88-20,979,839,694.80-5,022,425,256.80

Finding the Fourth Proportional to 13,988,091,986.88, 20,979,839,694.80 and 5,022,425,256.80

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Solution

The fourth proportional to 13,988,091,986.88, 20,979,839,694.80 and 5,022,425,256.80 is: 7,532,812,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,091,986.88 : 20,979,839,694.80 = 5,022,425,256.80 : x
  2. Step 2: Convert to fraction form
    13,988,091,986.88/20,979,839,694.80 = 5,022,425,256.80/x
  3. Step 3: Cross multiply
    13,988,091,986.88x = 20,979,839,694.80 × 5,022,425,256.80
  4. Step 4: Simplify right side
    13,988,091,986.88x = 105,369,676,766,778,720,256
  5. Step 5: Solve for x
    x = 105,369,676,766,778,720,256/13,988,091,986.88
  6. Step 6: Final answer
    x = 7,532,812,685.65

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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.