Home / 404,191,140.30-606,286,710.45-378,681,972.30

Finding the Fourth Proportional to 404,191,140.30, 606,286,710.45 and 378,681,972.30

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Solution

The fourth proportional to 404,191,140.30, 606,286,710.45 and 378,681,972.30 is: 568,022,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,191,140.30 : 606,286,710.45 = 378,681,972.30 : x
  2. Step 2: Convert to fraction form
    404,191,140.30/606,286,710.45 = 378,681,972.30/x
  3. Step 3: Cross multiply
    404,191,140.30x = 606,286,710.45 × 378,681,972.30
  4. Step 4: Simplify right side
    404,191,140.30x = 229,589,847,292,485,056
  5. Step 5: Solve for x
    x = 229,589,847,292,485,056/404,191,140.30
  6. Step 6: Final answer
    x = 568,022,958.45

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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.