Home / 550,578,145.40-825,867,218.10-305,690,132.60

Finding the Fourth Proportional to 550,578,145.40, 825,867,218.10 and 305,690,132.60

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Solution

The fourth proportional to 550,578,145.40, 825,867,218.10 and 305,690,132.60 is: 458,535,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,578,145.40 : 825,867,218.10 = 305,690,132.60 : x
  2. Step 2: Convert to fraction form
    550,578,145.40/825,867,218.10 = 305,690,132.60/x
  3. Step 3: Cross multiply
    550,578,145.40x = 825,867,218.10 × 305,690,132.60
  4. Step 4: Simplify right side
    550,578,145.40x = 252,459,459,410,982,144
  5. Step 5: Solve for x
    x = 252,459,459,410,982,144/550,578,145.40
  6. Step 6: Final answer
    x = 458,535,198.90

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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.