Home / 305,704,905,737.62-421,874,044,170.06-168,524,718,327.04

Finding the Fourth Proportional to 305,704,905,737.62, 421,874,044,170.06 and 168,524,718,327.04

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Solution

The fourth proportional to 305,704,905,737.62, 421,874,044,170.06 and 168,524,718,327.04 is: 232,564,813,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,704,905,737.62 : 421,874,044,170.06 = 168,524,718,327.04 : x
  2. Step 2: Convert to fraction form
    305,704,905,737.62/421,874,044,170.06 = 168,524,718,327.04/x
  3. Step 3: Cross multiply
    305,704,905,737.62x = 421,874,044,170.06 × 168,524,718,327.04
  4. Step 4: Simplify right side
    305,704,905,737.62x = 71,096,204,463,248,594,960,384
  5. Step 5: Solve for x
    x = 71,096,204,463,248,594,960,384/305,704,905,737.62
  6. Step 6: Final answer
    x = 232,564,813,743.19

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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.