Home / 643,858,897.20-965,859,204.60-235,003,621.20

Finding the Fourth Proportional to 643,858,897.20, 965,859,204.60 and 235,003,621.20

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Solution

The fourth proportional to 643,858,897.20, 965,859,204.60 and 235,003,621.20 is: 352,531,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,858,897.20 : 965,859,204.60 = 235,003,621.20 : x
  2. Step 2: Convert to fraction form
    643,858,897.20/965,859,204.60 = 235,003,621.20/x
  3. Step 3: Cross multiply
    643,858,897.20x = 965,859,204.60 × 235,003,621.20
  4. Step 4: Simplify right side
    643,858,897.20x = 226,980,410,650,351,680
  5. Step 5: Solve for x
    x = 226,980,410,650,351,680/643,858,897.20
  6. Step 6: Final answer
    x = 352,531,294.73

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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.