Home / 331,789,660.40-497,684,490.60-101,794,242.80

Finding the Fourth Proportional to 331,789,660.40, 497,684,490.60 and 101,794,242.80

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Solution

The fourth proportional to 331,789,660.40, 497,684,490.60 and 101,794,242.80 is: 152,691,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,789,660.40 : 497,684,490.60 = 101,794,242.80 : x
  2. Step 2: Convert to fraction form
    331,789,660.40/497,684,490.60 = 101,794,242.80/x
  3. Step 3: Cross multiply
    331,789,660.40x = 497,684,490.60 × 101,794,242.80
  4. Step 4: Simplify right side
    331,789,660.40x = 50,661,415,873,930,720
  5. Step 5: Solve for x
    x = 50,661,415,873,930,720/331,789,660.40
  6. Step 6: Final answer
    x = 152,691,364.20

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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.