Home / 42,215,940,784-63,334,629,630.24-19,542,640,943.64

Finding the Fourth Proportional to 42,215,940,784, 63,334,629,630.24 and 19,542,640,943.64

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Solution

The fourth proportional to 42,215,940,784, 63,334,629,630.24 and 19,542,640,943.64 is: 29,318,923,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,215,940,784 : 63,334,629,630.24 = 19,542,640,943.64 : x
  2. Step 2: Convert to fraction form
    42,215,940,784/63,334,629,630.24 = 19,542,640,943.64/x
  3. Step 3: Cross multiply
    42,215,940,784x = 63,334,629,630.24 × 19,542,640,943.64
  4. Step 4: Simplify right side
    42,215,940,784x = 1,237,725,926,162,203,148,288
  5. Step 5: Solve for x
    x = 1,237,725,926,162,203,148,288/42,215,940,784
  6. Step 6: Final answer
    x = 29,318,923,211.85

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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.