Home / 305,704,905,895.66-421,874,044,388.07-168,524,718,485.10

Finding the Fourth Proportional to 305,704,905,895.66, 421,874,044,388.07 and 168,524,718,485.10

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Solution

The fourth proportional to 305,704,905,895.66, 421,874,044,388.07 and 168,524,718,485.10 is: 232,564,813,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,704,905,895.66 : 421,874,044,388.07 = 168,524,718,485.10 : x
  2. Step 2: Convert to fraction form
    305,704,905,895.66/421,874,044,388.07 = 168,524,718,485.10/x
  3. Step 3: Cross multiply
    305,704,905,895.66x = 421,874,044,388.07 × 168,524,718,485.10
  4. Step 4: Simplify right side
    305,704,905,895.66x = 71,096,204,566,670,082,048,000
  5. Step 5: Solve for x
    x = 71,096,204,566,670,082,048,000/305,704,905,895.66
  6. Step 6: Final answer
    x = 232,564,813,961.27

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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.