Home / 331,034,821.20-496,552,231.80-294,684,256.80

Finding the Fourth Proportional to 331,034,821.20, 496,552,231.80 and 294,684,256.80

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Solution

The fourth proportional to 331,034,821.20, 496,552,231.80 and 294,684,256.80 is: 442,026,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,034,821.20 : 496,552,231.80 = 294,684,256.80 : x
  2. Step 2: Convert to fraction form
    331,034,821.20/496,552,231.80 = 294,684,256.80/x
  3. Step 3: Cross multiply
    331,034,821.20x = 496,552,231.80 × 294,684,256.80
  4. Step 4: Simplify right side
    331,034,821.20x = 146,326,125,390,364,320
  5. Step 5: Solve for x
    x = 146,326,125,390,364,320/331,034,821.20
  6. Step 6: Final answer
    x = 442,026,385.20

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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.