Home / 18,509,839,285.02-27,756,006,338.07-7,170,327,219.30

Finding the Fourth Proportional to 18,509,839,285.02, 27,756,006,338.07 and 7,170,327,219.30

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Solution

The fourth proportional to 18,509,839,285.02, 27,756,006,338.07 and 7,170,327,219.30 is: 10,752,100,257.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,839,285.02 : 27,756,006,338.07 = 7,170,327,219.30 : x
  2. Step 2: Convert to fraction form
    18,509,839,285.02/27,756,006,338.07 = 7,170,327,219.30/x
  3. Step 3: Cross multiply
    18,509,839,285.02x = 27,756,006,338.07 × 7,170,327,219.30
  4. Step 4: Simplify right side
    18,509,839,285.02x = 199,019,647,744,926,646,272
  5. Step 5: Solve for x
    x = 199,019,647,744,926,646,272/18,509,839,285.02
  6. Step 6: Final answer
    x = 10,752,100,257.62

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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.