Home / 542,780,939.46-814,515,770.94-231,890,897.70

Finding the Fourth Proportional to 542,780,939.46, 814,515,770.94 and 231,890,897.70

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Solution

The fourth proportional to 542,780,939.46, 814,515,770.94 and 231,890,897.70 is: 347,983,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,780,939.46 : 814,515,770.94 = 231,890,897.70 : x
  2. Step 2: Convert to fraction form
    542,780,939.46/814,515,770.94 = 231,890,897.70/x
  3. Step 3: Cross multiply
    542,780,939.46x = 814,515,770.94 × 231,890,897.70
  4. Step 4: Simplify right side
    542,780,939.46x = 188,878,793,314,084,192
  5. Step 5: Solve for x
    x = 188,878,793,314,084,192/542,780,939.46
  6. Step 6: Final answer
    x = 347,983,467.33

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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.