Home / 419,771,633.58-579,286,866.51-231,599,917.98

Finding the Fourth Proportional to 419,771,633.58, 579,286,866.51 and 231,599,917.98

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Solution

The fourth proportional to 419,771,633.58, 579,286,866.51 and 231,599,917.98 is: 319,608,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,771,633.58 : 579,286,866.51 = 231,599,917.98 : x
  2. Step 2: Convert to fraction form
    419,771,633.58/579,286,866.51 = 231,599,917.98/x
  3. Step 3: Cross multiply
    419,771,633.58x = 579,286,866.51 × 231,599,917.98
  4. Step 4: Simplify right side
    419,771,633.58x = 134,162,790,770,607,200
  5. Step 5: Solve for x
    x = 134,162,790,770,607,200/419,771,633.58
  6. Step 6: Final answer
    x = 319,608,996.98

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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.