Home / 393,198,301,445.88-589,824,087,337.74-138,196,682,759.22

Finding the Fourth Proportional to 393,198,301,445.88, 589,824,087,337.74 and 138,196,682,759.22

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Solution

The fourth proportional to 393,198,301,445.88, 589,824,087,337.74 and 138,196,682,759.22 is: 207,304,385,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,198,301,445.88 : 589,824,087,337.74 = 138,196,682,759.22 : x
  2. Step 2: Convert to fraction form
    393,198,301,445.88/589,824,087,337.74 = 138,196,682,759.22/x
  3. Step 3: Cross multiply
    393,198,301,445.88x = 589,824,087,337.74 × 138,196,682,759.22
  4. Step 4: Simplify right side
    393,198,301,445.88x = 81,511,732,281,560,124,096,512
  5. Step 5: Solve for x
    x = 81,511,732,281,560,124,096,512/393,198,301,445.88
  6. Step 6: Final answer
    x = 207,304,385,552.59

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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.