Home / 330,253,250.48-455,722,530.80-194,442,049.77

Finding the Fourth Proportional to 330,253,250.48, 455,722,530.80 and 194,442,049.77

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Solution

The fourth proportional to 330,253,250.48, 455,722,530.80 and 194,442,049.77 is: 268,314,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,253,250.48 : 455,722,530.80 = 194,442,049.77 : x
  2. Step 2: Convert to fraction form
    330,253,250.48/455,722,530.80 = 194,442,049.77/x
  3. Step 3: Cross multiply
    330,253,250.48x = 455,722,530.80 × 194,442,049.77
  4. Step 4: Simplify right side
    330,253,250.48x = 88,611,623,014,151,760
  5. Step 5: Solve for x
    x = 88,611,623,014,151,760/330,253,250.48
  6. Step 6: Final answer
    x = 268,314,158.56

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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.