Home / 1,011,933,540,223.20-1,517,846,850,819.70-331,922,322,780.66

Finding the Fourth Proportional to 1,011,933,540,223.20, 1,517,846,850,819.70 and 331,922,322,780.66

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Solution

The fourth proportional to 1,011,933,540,223.20, 1,517,846,850,819.70 and 331,922,322,780.66 is: 497,865,949,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,933,540,223.20 : 1,517,846,850,819.70 = 331,922,322,780.66 : x
  2. Step 2: Convert to fraction form
    1,011,933,540,223.20/1,517,846,850,819.70 = 331,922,322,780.66/x
  3. Step 3: Cross multiply
    1,011,933,540,223.20x = 1,517,846,850,819.70 × 331,922,322,780.66
  4. Step 4: Simplify right side
    1,011,933,540,223.20x = 503,807,252,349,384,717,762,560
  5. Step 5: Solve for x
    x = 503,807,252,349,384,717,762,560/1,011,933,540,223.20
  6. Step 6: Final answer
    x = 497,865,949,020.98

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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.