Home / 438,822,307.88-605,636,479.44-271,612,204.84

Finding the Fourth Proportional to 438,822,307.88, 605,636,479.44 and 271,612,204.84

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Solution

The fourth proportional to 438,822,307.88, 605,636,479.44 and 271,612,204.84 is: 374,863,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,822,307.88 : 605,636,479.44 = 271,612,204.84 : x
  2. Step 2: Convert to fraction form
    438,822,307.88/605,636,479.44 = 271,612,204.84/x
  3. Step 3: Cross multiply
    438,822,307.88x = 605,636,479.44 × 271,612,204.84
  4. Step 4: Simplify right side
    438,822,307.88x = 164,498,259,512,233,728
  5. Step 5: Solve for x
    x = 164,498,259,512,233,728/438,822,307.88
  6. Step 6: Final answer
    x = 374,863,028.97

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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.