Home / 401,231,857.05-553,760,485.20-244,689,772.05

Finding the Fourth Proportional to 401,231,857.05, 553,760,485.20 and 244,689,772.05

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Solution

The fourth proportional to 401,231,857.05, 553,760,485.20 and 244,689,772.05 is: 337,708,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,231,857.05 : 553,760,485.20 = 244,689,772.05 : x
  2. Step 2: Convert to fraction form
    401,231,857.05/553,760,485.20 = 244,689,772.05/x
  3. Step 3: Cross multiply
    401,231,857.05x = 553,760,485.20 × 244,689,772.05
  4. Step 4: Simplify right side
    401,231,857.05x = 135,499,526,893,885,424
  5. Step 5: Solve for x
    x = 135,499,526,893,885,424/401,231,857.05
  6. Step 6: Final answer
    x = 337,708,794.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.