Home / 820,593,905.60-1,230,890,858.40-246,165,233.60

Finding the Fourth Proportional to 820,593,905.60, 1,230,890,858.40 and 246,165,233.60

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Solution

The fourth proportional to 820,593,905.60, 1,230,890,858.40 and 246,165,233.60 is: 369,247,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,593,905.60 : 1,230,890,858.40 = 246,165,233.60 : x
  2. Step 2: Convert to fraction form
    820,593,905.60/1,230,890,858.40 = 246,165,233.60/x
  3. Step 3: Cross multiply
    820,593,905.60x = 1,230,890,858.40 × 246,165,233.60
  4. Step 4: Simplify right side
    820,593,905.60x = 303,002,535,694,140,544
  5. Step 5: Solve for x
    x = 303,002,535,694,140,544/820,593,905.60
  6. Step 6: Final answer
    x = 369,247,850.40

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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.