Home / 13,986,949,251.44-19,303,958,728.88-8,904,689,738.84

Finding the Fourth Proportional to 13,986,949,251.44, 19,303,958,728.88 and 8,904,689,738.84

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Solution

The fourth proportional to 13,986,949,251.44, 19,303,958,728.88 and 8,904,689,738.84 is: 12,289,725,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,949,251.44 : 19,303,958,728.88 = 8,904,689,738.84 : x
  2. Step 2: Convert to fraction form
    13,986,949,251.44/19,303,958,728.88 = 8,904,689,738.84/x
  3. Step 3: Cross multiply
    13,986,949,251.44x = 19,303,958,728.88 × 8,904,689,738.84
  4. Step 4: Simplify right side
    13,986,949,251.44x = 171,895,763,212,048,596,992
  5. Step 5: Solve for x
    x = 171,895,763,212,048,596,992/13,986,949,251.44
  6. Step 6: Final answer
    x = 12,289,725,237.57

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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.