Home / 438,822,281.84-605,636,443.53-271,612,178.78

Finding the Fourth Proportional to 438,822,281.84, 605,636,443.53 and 271,612,178.78

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Solution

The fourth proportional to 438,822,281.84, 605,636,443.53 and 271,612,178.78 is: 374,862,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,822,281.84 : 605,636,443.53 = 271,612,178.78 : x
  2. Step 2: Convert to fraction form
    438,822,281.84/605,636,443.53 = 271,612,178.78/x
  3. Step 3: Cross multiply
    438,822,281.84x = 605,636,443.53 × 271,612,178.78
  4. Step 4: Simplify right side
    438,822,281.84x = 164,498,233,972,725,536
  5. Step 5: Solve for x
    x = 164,498,233,972,725,536/438,822,281.84
  6. Step 6: Final answer
    x = 374,862,993.02

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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.