Home / 27,798,241,311,380-38,361,579,271,380-15,297,971,351,885

Finding the Fourth Proportional to 27,798,241,311,380, 38,361,579,271,380 and 15,297,971,351,885

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Solution

The fourth proportional to 27,798,241,311,380, 38,361,579,271,380 and 15,297,971,351,885 is: 21,111,203,911,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,798,241,311,380 : 38,361,579,271,380 = 15,297,971,351,885 : x
  2. Step 2: Convert to fraction form
    27,798,241,311,380/38,361,579,271,380 = 15,297,971,351,885/x
  3. Step 3: Cross multiply
    27,798,241,311,380x = 38,361,579,271,380 × 15,297,971,351,885
  4. Step 4: Simplify right side
    27,798,241,311,380x = 586,854,340,706,636,669,040,721,920
  5. Step 5: Solve for x
    x = 586,854,340,706,636,669,040,721,920/27,798,241,311,380
  6. Step 6: Final answer
    x = 21,111,203,911,536.34

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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.