Home / 274,617,494.23-378,611,526.82-198,171,601.91

Finding the Fourth Proportional to 274,617,494.23, 378,611,526.82 and 198,171,601.91

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Solution

The fourth proportional to 274,617,494.23, 378,611,526.82 and 198,171,601.91 is: 273,216,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,617,494.23 : 378,611,526.82 = 198,171,601.91 : x
  2. Step 2: Convert to fraction form
    274,617,494.23/378,611,526.82 = 198,171,601.91/x
  3. Step 3: Cross multiply
    274,617,494.23x = 378,611,526.82 × 198,171,601.91
  4. Step 4: Simplify right side
    274,617,494.23x = 75,030,052,771,510,320
  5. Step 5: Solve for x
    x = 75,030,052,771,510,320/274,617,494.23
  6. Step 6: Final answer
    x = 273,216,580.69

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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.