Home / 7,831,680,074.80-11,747,520,112.20-2,661,822,026.80

Finding the Fourth Proportional to 7,831,680,074.80, 11,747,520,112.20 and 2,661,822,026.80

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Solution

The fourth proportional to 7,831,680,074.80, 11,747,520,112.20 and 2,661,822,026.80 is: 3,992,733,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831,680,074.80 : 11,747,520,112.20 = 2,661,822,026.80 : x
  2. Step 2: Convert to fraction form
    7,831,680,074.80/11,747,520,112.20 = 2,661,822,026.80/x
  3. Step 3: Cross multiply
    7,831,680,074.80x = 11,747,520,112.20 × 2,661,822,026.80
  4. Step 4: Simplify right side
    7,831,680,074.80x = 31,269,807,794,929,971,200
  5. Step 5: Solve for x
    x = 31,269,807,794,929,971,200/7,831,680,074.80
  6. Step 6: Final answer
    x = 3,992,733,040.20

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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.