Home / 274,617,493.23-378,611,525.44-198,171,600.91

Finding the Fourth Proportional to 274,617,493.23, 378,611,525.44 and 198,171,600.91

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Solution

The fourth proportional to 274,617,493.23, 378,611,525.44 and 198,171,600.91 is: 273,216,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,617,493.23 : 378,611,525.44 = 198,171,600.91 : x
  2. Step 2: Convert to fraction form
    274,617,493.23/378,611,525.44 = 198,171,600.91/x
  3. Step 3: Cross multiply
    274,617,493.23x = 378,611,525.44 × 198,171,600.91
  4. Step 4: Simplify right side
    274,617,493.23x = 75,030,052,119,421,984
  5. Step 5: Solve for x
    x = 75,030,052,119,421,984/274,617,493.23
  6. Step 6: Final answer
    x = 273,216,579.31

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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.