Home / 18,217,845,020.80-27,326,767,531.20-10,865,158,019.20

Finding the Fourth Proportional to 18,217,845,020.80, 27,326,767,531.20 and 10,865,158,019.20

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Solution

The fourth proportional to 18,217,845,020.80, 27,326,767,531.20 and 10,865,158,019.20 is: 16,297,737,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,845,020.80 : 27,326,767,531.20 = 10,865,158,019.20 : x
  2. Step 2: Convert to fraction form
    18,217,845,020.80/27,326,767,531.20 = 10,865,158,019.20/x
  3. Step 3: Cross multiply
    18,217,845,020.80x = 27,326,767,531.20 × 10,865,158,019.20
  4. Step 4: Simplify right side
    18,217,845,020.80x = 296,909,647,380,431,896,576
  5. Step 5: Solve for x
    x = 296,909,647,380,431,896,576/18,217,845,020.80
  6. Step 6: Final answer
    x = 16,297,737,028.80

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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.