Home / 331,164,761.40-496,747,142.10-328,897,279.80

Finding the Fourth Proportional to 331,164,761.40, 496,747,142.10 and 328,897,279.80

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Solution

The fourth proportional to 331,164,761.40, 496,747,142.10 and 328,897,279.80 is: 493,345,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,164,761.40 : 496,747,142.10 = 328,897,279.80 : x
  2. Step 2: Convert to fraction form
    331,164,761.40/496,747,142.10 = 328,897,279.80/x
  3. Step 3: Cross multiply
    331,164,761.40x = 496,747,142.10 × 328,897,279.80
  4. Step 4: Simplify right side
    331,164,761.40x = 163,378,783,785,114,080
  5. Step 5: Solve for x
    x = 163,378,783,785,114,080/331,164,761.40
  6. Step 6: Final answer
    x = 493,345,919.70

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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.