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Finding the Fourth Proportional to 1,200,383,645.33, 1,798,716,014.99 and 832,633,559.21

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Solution

The fourth proportional to 1,200,383,645.33, 1,798,716,014.99 and 832,633,559.21 is: 1,247,660,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,383,645.33 : 1,798,716,014.99 = 832,633,559.21 : x
  2. Step 2: Convert to fraction form
    1,200,383,645.33/1,798,716,014.99 = 832,633,559.21/x
  3. Step 3: Cross multiply
    1,200,383,645.33x = 1,798,716,014.99 × 832,633,559.21
  4. Step 4: Simplify right side
    1,200,383,645.33x = 1,497,671,317,572,565,760
  5. Step 5: Solve for x
    x = 1,497,671,317,572,565,760/1,200,383,645.33
  6. Step 6: Final answer
    x = 1,247,660,548.69

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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.