Home / 1,691,171,992.75-2,333,812,577.48-938,598,796.03

Finding the Fourth Proportional to 1,691,171,992.75, 2,333,812,577.48 and 938,598,796.03

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Solution

The fourth proportional to 1,691,171,992.75, 2,333,812,577.48 and 938,598,796.03 is: 1,295,263,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,171,992.75 : 2,333,812,577.48 = 938,598,796.03 : x
  2. Step 2: Convert to fraction form
    1,691,171,992.75/2,333,812,577.48 = 938,598,796.03/x
  3. Step 3: Cross multiply
    1,691,171,992.75x = 2,333,812,577.48 × 938,598,796.03
  4. Step 4: Simplify right side
    1,691,171,992.75x = 2,190,513,675,382,398,976
  5. Step 5: Solve for x
    x = 2,190,513,675,382,398,976/1,691,171,992.75
  6. Step 6: Final answer
    x = 1,295,263,689.78

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.