Home / 2,561,456,774,142.60-3,842,049,841,816.20-840,178,379,991.25

Finding the Fourth Proportional to 2,561,456,774,142.60, 3,842,049,841,816.20 and 840,178,379,991.25

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Solution

The fourth proportional to 2,561,456,774,142.60, 3,842,049,841,816.20 and 840,178,379,991.25 is: 1,260,223,184,138.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,456,774,142.60 : 3,842,049,841,816.20 = 840,178,379,991.25 : x
  2. Step 2: Convert to fraction form
    2,561,456,774,142.60/3,842,049,841,816.20 = 840,178,379,991.25/x
  3. Step 3: Cross multiply
    2,561,456,774,142.60x = 3,842,049,841,816.20 × 840,178,379,991.25
  4. Step 4: Simplify right side
    2,561,456,774,142.60x = 3,228,007,211,942,773,560,180,736
  5. Step 5: Solve for x
    x = 3,228,007,211,942,773,560,180,736/2,561,456,774,142.60
  6. Step 6: Final answer
    x = 1,260,223,184,138.37

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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.