Home / 931,317,609.20-1,396,738,131.22-276,115,426.16

Finding the Fourth Proportional to 931,317,609.20, 1,396,738,131.22 and 276,115,426.16

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Solution

The fourth proportional to 931,317,609.20, 1,396,738,131.22 and 276,115,426.16 is: 414,102,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,317,609.20 : 1,396,738,131.22 = 276,115,426.16 : x
  2. Step 2: Convert to fraction form
    931,317,609.20/1,396,738,131.22 = 276,115,426.16/x
  3. Step 3: Cross multiply
    931,317,609.20x = 1,396,738,131.22 × 276,115,426.16
  4. Step 4: Simplify right side
    931,317,609.20x = 385,660,944,335,732,352
  5. Step 5: Solve for x
    x = 385,660,944,335,732,352/931,317,609.20
  6. Step 6: Final answer
    x = 414,102,493.63

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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.