Home / 1,198,631,053.44-1,798,090,513.92-422,116,116.48

Finding the Fourth Proportional to 1,198,631,053.44, 1,798,090,513.92 and 422,116,116.48

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Solution

The fourth proportional to 1,198,631,053.44, 1,798,090,513.92 and 422,116,116.48 is: 633,224,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,631,053.44 : 1,798,090,513.92 = 422,116,116.48 : x
  2. Step 2: Convert to fraction form
    1,198,631,053.44/1,798,090,513.92 = 422,116,116.48/x
  3. Step 3: Cross multiply
    1,198,631,053.44x = 1,798,090,513.92 × 422,116,116.48
  4. Step 4: Simplify right side
    1,198,631,053.44x = 759,002,984,815,437,824
  5. Step 5: Solve for x
    x = 759,002,984,815,437,824/1,198,631,053.44
  6. Step 6: Final answer
    x = 633,224,863.18

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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.