Home / 400,993,278.60-601,405,937.10-196,667,992.20

Finding the Fourth Proportional to 400,993,278.60, 601,405,937.10 and 196,667,992.20

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Solution

The fourth proportional to 400,993,278.60, 601,405,937.10 and 196,667,992.20 is: 294,960,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,993,278.60 : 601,405,937.10 = 196,667,992.20 : x
  2. Step 2: Convert to fraction form
    400,993,278.60/601,405,937.10 = 196,667,992.20/x
  3. Step 3: Cross multiply
    400,993,278.60x = 601,405,937.10 × 196,667,992.20
  4. Step 4: Simplify right side
    400,993,278.60x = 118,277,298,146,616,496
  5. Step 5: Solve for x
    x = 118,277,298,146,616,496/400,993,278.60
  6. Step 6: Final answer
    x = 294,960,799.74

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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.