Home / 331,747,671.60-496,986,985.80-178,342,743.60

Finding the Fourth Proportional to 331,747,671.60, 496,986,985.80 and 178,342,743.60

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Solution

The fourth proportional to 331,747,671.60, 496,986,985.80 and 178,342,743.60 is: 267,173,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,747,671.60 : 496,986,985.80 = 178,342,743.60 : x
  2. Step 2: Convert to fraction form
    331,747,671.60/496,986,985.80 = 178,342,743.60/x
  3. Step 3: Cross multiply
    331,747,671.60x = 496,986,985.80 × 178,342,743.60
  4. Step 4: Simplify right side
    331,747,671.60x = 88,634,022,581,066,240
  5. Step 5: Solve for x
    x = 88,634,022,581,066,240/331,747,671.60
  6. Step 6: Final answer
    x = 267,173,005.78

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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.