Home / 429,982,016,232.30-644,973,024,348.42-131,859,582,081.90

Finding the Fourth Proportional to 429,982,016,232.30, 644,973,024,348.42 and 131,859,582,081.90

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Solution

The fourth proportional to 429,982,016,232.30, 644,973,024,348.42 and 131,859,582,081.90 is: 197,789,373,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,982,016,232.30 : 644,973,024,348.42 = 131,859,582,081.90 : x
  2. Step 2: Convert to fraction form
    429,982,016,232.30/644,973,024,348.42 = 131,859,582,081.90/x
  3. Step 3: Cross multiply
    429,982,016,232.30x = 644,973,024,348.42 × 131,859,582,081.90
  4. Step 4: Simplify right side
    429,982,016,232.30x = 85,045,873,444,681,777,414,144
  5. Step 5: Solve for x
    x = 85,045,873,444,681,777,414,144/429,982,016,232.30
  6. Step 6: Final answer
    x = 197,789,373,122.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.