Home / 2,640,581,270.56-3,961,003,470-1,004,932,640.80

Finding the Fourth Proportional to 2,640,581,270.56, 3,961,003,470 and 1,004,932,640.80

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Solution

The fourth proportional to 2,640,581,270.56, 3,961,003,470 and 1,004,932,640.80 is: 1,507,449,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,581,270.56 : 3,961,003,470 = 1,004,932,640.80 : x
  2. Step 2: Convert to fraction form
    2,640,581,270.56/3,961,003,470 = 1,004,932,640.80/x
  3. Step 3: Cross multiply
    2,640,581,270.56x = 3,961,003,470 × 1,004,932,640.80
  4. Step 4: Simplify right side
    2,640,581,270.56x = 3,980,541,677,325,063,168
  5. Step 5: Solve for x
    x = 3,980,541,677,325,063,168/2,640,581,270.56
  6. Step 6: Final answer
    x = 1,507,449,030.90

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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.