Home / 2,790,628,375.32-4,186,555,487.07-825,328,234.02

Finding the Fourth Proportional to 2,790,628,375.32, 4,186,555,487.07 and 825,328,234.02

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Solution

The fourth proportional to 2,790,628,375.32, 4,186,555,487.07 and 825,328,234.02 is: 1,238,173,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,628,375.32 : 4,186,555,487.07 = 825,328,234.02 : x
  2. Step 2: Convert to fraction form
    2,790,628,375.32/4,186,555,487.07 = 825,328,234.02/x
  3. Step 3: Cross multiply
    2,790,628,375.32x = 4,186,555,487.07 × 825,328,234.02
  4. Step 4: Simplify right side
    2,790,628,375.32x = 3,455,282,446,770,224,128
  5. Step 5: Solve for x
    x = 3,455,282,446,770,224,128/2,790,628,375.32
  6. Step 6: Final answer
    x = 1,238,173,623.31

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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.