Home / 378,252,816.30-567,379,224.45-132,886,506.60

Finding the Fourth Proportional to 378,252,816.30, 567,379,224.45 and 132,886,506.60

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Solution

The fourth proportional to 378,252,816.30, 567,379,224.45 and 132,886,506.60 is: 199,329,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,252,816.30 : 567,379,224.45 = 132,886,506.60 : x
  2. Step 2: Convert to fraction form
    378,252,816.30/567,379,224.45 = 132,886,506.60/x
  3. Step 3: Cross multiply
    378,252,816.30x = 567,379,224.45 × 132,886,506.60
  4. Step 4: Simplify right side
    378,252,816.30x = 75,397,043,054,577,808
  5. Step 5: Solve for x
    x = 75,397,043,054,577,808/378,252,816.30
  6. Step 6: Final answer
    x = 199,329,759.90

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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.