Home / 1,396,325,236.31-2,093,857,555.57-400,118,404.40

Finding the Fourth Proportional to 1,396,325,236.31, 2,093,857,555.57 and 400,118,404.40

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Solution

The fourth proportional to 1,396,325,236.31, 2,093,857,555.57 and 400,118,404.40 is: 599,996,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,325,236.31 : 2,093,857,555.57 = 400,118,404.40 : x
  2. Step 2: Convert to fraction form
    1,396,325,236.31/2,093,857,555.57 = 400,118,404.40/x
  3. Step 3: Cross multiply
    1,396,325,236.31x = 2,093,857,555.57 × 400,118,404.40
  4. Step 4: Simplify right side
    1,396,325,236.31x = 837,790,944,164,083,200
  5. Step 5: Solve for x
    x = 837,790,944,164,083,200/1,396,325,236.31
  6. Step 6: Final answer
    x = 599,996,993.81

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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.