Home / 1,011,933,540,459.20-1,517,846,851,138-331,922,323,034.15

Finding the Fourth Proportional to 1,011,933,540,459.20, 1,517,846,851,138 and 331,922,323,034.15

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Solution

The fourth proportional to 1,011,933,540,459.20, 1,517,846,851,138 and 331,922,323,034.15 is: 497,865,949,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,933,540,459.20 : 1,517,846,851,138 = 331,922,323,034.15 : x
  2. Step 2: Convert to fraction form
    1,011,933,540,459.20/1,517,846,851,138 = 331,922,323,034.15/x
  3. Step 3: Cross multiply
    1,011,933,540,459.20x = 1,517,846,851,138 × 331,922,323,034.15
  4. Step 4: Simplify right side
    1,011,933,540,459.20x = 503,807,252,839,794,686,820,352
  5. Step 5: Solve for x
    x = 503,807,252,839,794,686,820,352/1,011,933,540,459.20
  6. Step 6: Final answer
    x = 497,865,949,389.50

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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.