Home / 661,195,374.77-991,936,538.46-201,121,586.66

Finding the Fourth Proportional to 661,195,374.77, 991,936,538.46 and 201,121,586.66

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Solution

The fourth proportional to 661,195,374.77, 991,936,538.46 and 201,121,586.66 is: 301,726,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,195,374.77 : 991,936,538.46 = 201,121,586.66 : x
  2. Step 2: Convert to fraction form
    661,195,374.77/991,936,538.46 = 201,121,586.66/x
  3. Step 3: Cross multiply
    661,195,374.77x = 991,936,538.46 × 201,121,586.66
  4. Step 4: Simplify right side
    661,195,374.77x = 199,499,850,476,143,648
  5. Step 5: Solve for x
    x = 199,499,850,476,143,648/661,195,374.77
  6. Step 6: Final answer
    x = 301,726,022.43

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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.