Home / 13,986,949,250.94-19,303,958,728.19-8,904,689,738.34

Finding the Fourth Proportional to 13,986,949,250.94, 19,303,958,728.19 and 8,904,689,738.34

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Solution

The fourth proportional to 13,986,949,250.94, 19,303,958,728.19 and 8,904,689,738.34 is: 12,289,725,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,949,250.94 : 19,303,958,728.19 = 8,904,689,738.34 : x
  2. Step 2: Convert to fraction form
    13,986,949,250.94/19,303,958,728.19 = 8,904,689,738.34/x
  3. Step 3: Cross multiply
    13,986,949,250.94x = 19,303,958,728.19 × 8,904,689,738.34
  4. Step 4: Simplify right side
    13,986,949,250.94x = 171,895,763,196,252,356,608
  5. Step 5: Solve for x
    x = 171,895,763,196,252,356,608/13,986,949,250.94
  6. Step 6: Final answer
    x = 12,289,725,236.88

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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.