Home / 512,243,644.59-768,250,468.92-235,629,194.58

Finding the Fourth Proportional to 512,243,644.59, 768,250,468.92 and 235,629,194.58

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Solution

The fourth proportional to 512,243,644.59, 768,250,468.92 and 235,629,194.58 is: 353,390,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,243,644.59 : 768,250,468.92 = 235,629,194.58 : x
  2. Step 2: Convert to fraction form
    512,243,644.59/768,250,468.92 = 235,629,194.58/x
  3. Step 3: Cross multiply
    512,243,644.59x = 768,250,468.92 × 235,629,194.58
  4. Step 4: Simplify right side
    512,243,644.59x = 181,022,239,227,326,912
  5. Step 5: Solve for x
    x = 181,022,239,227,326,912/512,243,644.59
  6. Step 6: Final answer
    x = 353,390,893.45

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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.