Home / 18,649,265,647.16-25,738,611,608.94-11,872,919,630.36

Finding the Fourth Proportional to 18,649,265,647.16, 25,738,611,608.94 and 11,872,919,630.36

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Solution

The fourth proportional to 18,649,265,647.16, 25,738,611,608.94 and 11,872,919,630.36 is: 16,386,300,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649,265,647.16 : 25,738,611,608.94 = 11,872,919,630.36 : x
  2. Step 2: Convert to fraction form
    18,649,265,647.16/25,738,611,608.94 = 11,872,919,630.36/x
  3. Step 3: Cross multiply
    18,649,265,647.16x = 25,738,611,608.94 × 11,872,919,630.36
  4. Step 4: Simplify right side
    18,649,265,647.16x = 305,592,467,029,995,487,232
  5. Step 5: Solve for x
    x = 305,592,467,029,995,487,232/18,649,265,647.16
  6. Step 6: Final answer
    x = 16,386,300,287.19

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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.