Home / 1,261,848,812.55-1,891,081,294.16-982,067,546.13

Finding the Fourth Proportional to 1,261,848,812.55, 1,891,081,294.16 and 982,067,546.13

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Solution

The fourth proportional to 1,261,848,812.55, 1,891,081,294.16 and 982,067,546.13 is: 1,471,784,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,848,812.55 : 1,891,081,294.16 = 982,067,546.13 : x
  2. Step 2: Convert to fraction form
    1,261,848,812.55/1,891,081,294.16 = 982,067,546.13/x
  3. Step 3: Cross multiply
    1,261,848,812.55x = 1,891,081,294.16 × 982,067,546.13
  4. Step 4: Simplify right side
    1,261,848,812.55x = 1,857,169,566,083,145,472
  5. Step 5: Solve for x
    x = 1,857,169,566,083,145,472/1,261,848,812.55
  6. Step 6: Final answer
    x = 1,471,784,533.62

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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.