Home / 12,868,540,175.36-17,758,132,504.66-7,074,801,398.21

Finding the Fourth Proportional to 12,868,540,175.36, 17,758,132,504.66 and 7,074,801,398.21

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Solution

The fourth proportional to 12,868,540,175.36, 17,758,132,504.66 and 7,074,801,398.21 is: 9,762,976,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868,540,175.36 : 17,758,132,504.66 = 7,074,801,398.21 : x
  2. Step 2: Convert to fraction form
    12,868,540,175.36/17,758,132,504.66 = 7,074,801,398.21/x
  3. Step 3: Cross multiply
    12,868,540,175.36x = 17,758,132,504.66 × 7,074,801,398.21
  4. Step 4: Simplify right side
    12,868,540,175.36x = 125,635,260,673,492,369,408
  5. Step 5: Solve for x
    x = 125,635,260,673,492,369,408/12,868,540,175.36
  6. Step 6: Final answer
    x = 9,762,976,915.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.