Home / 413,052,758.40-619,189,618.14-205,595,027.82

Finding the Fourth Proportional to 413,052,758.40, 619,189,618.14 and 205,595,027.82

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Solution

The fourth proportional to 413,052,758.40, 619,189,618.14 and 205,595,027.82 is: 308,198,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,052,758.40 : 619,189,618.14 = 205,595,027.82 : x
  2. Step 2: Convert to fraction form
    413,052,758.40/619,189,618.14 = 205,595,027.82/x
  3. Step 3: Cross multiply
    413,052,758.40x = 619,189,618.14 × 205,595,027.82
  4. Step 4: Simplify right side
    413,052,758.40x = 127,302,306,767,348,464
  5. Step 5: Solve for x
    x = 127,302,306,767,348,464/413,052,758.40
  6. Step 6: Final answer
    x = 308,198,660.29

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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.