Home / 1,200,383,646.33-1,798,716,016.49-832,633,560.21

Finding the Fourth Proportional to 1,200,383,646.33, 1,798,716,016.49 and 832,633,560.21

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Solution

The fourth proportional to 1,200,383,646.33, 1,798,716,016.49 and 832,633,560.21 is: 1,247,660,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,383,646.33 : 1,798,716,016.49 = 832,633,560.21 : x
  2. Step 2: Convert to fraction form
    1,200,383,646.33/1,798,716,016.49 = 832,633,560.21/x
  3. Step 3: Cross multiply
    1,200,383,646.33x = 1,798,716,016.49 × 832,633,560.21
  4. Step 4: Simplify right side
    1,200,383,646.33x = 1,497,671,320,616,817,920
  5. Step 5: Solve for x
    x = 1,497,671,320,616,817,920/1,200,383,646.33
  6. Step 6: Final answer
    x = 1,247,660,550.19

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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.