Home / 305,704,905,735.87-421,874,044,167.63-168,524,718,325.29

Finding the Fourth Proportional to 305,704,905,735.87, 421,874,044,167.63 and 168,524,718,325.29

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Solution

The fourth proportional to 305,704,905,735.87, 421,874,044,167.63 and 168,524,718,325.29 is: 232,564,813,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,704,905,735.87 : 421,874,044,167.63 = 168,524,718,325.29 : x
  2. Step 2: Convert to fraction form
    305,704,905,735.87/421,874,044,167.63 = 168,524,718,325.29/x
  3. Step 3: Cross multiply
    305,704,905,735.87x = 421,874,044,167.63 × 168,524,718,325.29
  4. Step 4: Simplify right side
    305,704,905,735.87x = 71,096,204,462,100,806,893,568
  5. Step 5: Solve for x
    x = 71,096,204,462,100,806,893,568/305,704,905,735.87
  6. Step 6: Final answer
    x = 232,564,813,740.77

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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.