Home / 1,719,003,171.60-2,578,504,757.40-492,171,623.10

Finding the Fourth Proportional to 1,719,003,171.60, 2,578,504,757.40 and 492,171,623.10

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Solution

The fourth proportional to 1,719,003,171.60, 2,578,504,757.40 and 492,171,623.10 is: 738,257,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,003,171.60 : 2,578,504,757.40 = 492,171,623.10 : x
  2. Step 2: Convert to fraction form
    1,719,003,171.60/2,578,504,757.40 = 492,171,623.10/x
  3. Step 3: Cross multiply
    1,719,003,171.60x = 2,578,504,757.40 × 492,171,623.10
  4. Step 4: Simplify right side
    1,719,003,171.60x = 1,269,066,871,620,629,760
  5. Step 5: Solve for x
    x = 1,269,066,871,620,629,760/1,719,003,171.60
  6. Step 6: Final answer
    x = 738,257,434.65

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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.