Home / 305,704,905,736.62-421,874,044,168.68-168,524,718,326.04

Finding the Fourth Proportional to 305,704,905,736.62, 421,874,044,168.68 and 168,524,718,326.04

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Solution

The fourth proportional to 305,704,905,736.62, 421,874,044,168.68 and 168,524,718,326.04 is: 232,564,813,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,704,905,736.62 : 421,874,044,168.68 = 168,524,718,326.04 : x
  2. Step 2: Convert to fraction form
    305,704,905,736.62/421,874,044,168.68 = 168,524,718,326.04/x
  3. Step 3: Cross multiply
    305,704,905,736.62x = 421,874,044,168.68 × 168,524,718,326.04
  4. Step 4: Simplify right side
    305,704,905,736.62x = 71,096,204,462,594,157,707,264
  5. Step 5: Solve for x
    x = 71,096,204,462,594,157,707,264/305,704,905,736.62
  6. Step 6: Final answer
    x = 232,564,813,741.81

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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.