Home / 353,061,599.64-487,229,469.57-194,309,994.87

Finding the Fourth Proportional to 353,061,599.64, 487,229,469.57 and 194,309,994.87

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Solution

The fourth proportional to 353,061,599.64, 487,229,469.57 and 194,309,994.87 is: 268,150,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,061,599.64 : 487,229,469.57 = 194,309,994.87 : x
  2. Step 2: Convert to fraction form
    353,061,599.64/487,229,469.57 = 194,309,994.87/x
  3. Step 3: Cross multiply
    353,061,599.64x = 487,229,469.57 × 194,309,994.87
  4. Step 4: Simplify right side
    353,061,599.64x = 94,673,555,732,659,520
  5. Step 5: Solve for x
    x = 94,673,555,732,659,520/353,061,599.64
  6. Step 6: Final answer
    x = 268,150,248.65

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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.