Home / 331,164,733.40-496,747,100.10-328,897,251.80

Finding the Fourth Proportional to 331,164,733.40, 496,747,100.10 and 328,897,251.80

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Solution

The fourth proportional to 331,164,733.40, 496,747,100.10 and 328,897,251.80 is: 493,345,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,164,733.40 : 496,747,100.10 = 328,897,251.80 : x
  2. Step 2: Convert to fraction form
    331,164,733.40/496,747,100.10 = 328,897,251.80/x
  3. Step 3: Cross multiply
    331,164,733.40x = 496,747,100.10 × 328,897,251.80
  4. Step 4: Simplify right side
    331,164,733.40x = 163,378,756,062,509,504
  5. Step 5: Solve for x
    x = 163,378,756,062,509,504/331,164,733.40
  6. Step 6: Final answer
    x = 493,345,877.70

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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.