Home / 378,585,965.80-567,654,999.90-197,187,437.80

Finding the Fourth Proportional to 378,585,965.80, 567,654,999.90 and 197,187,437.80

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Solution

The fourth proportional to 378,585,965.80, 567,654,999.90 and 197,187,437.80 is: 295,664,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,585,965.80 : 567,654,999.90 = 197,187,437.80 : x
  2. Step 2: Convert to fraction form
    378,585,965.80/567,654,999.90 = 197,187,437.80/x
  3. Step 3: Cross multiply
    378,585,965.80x = 567,654,999.90 × 197,187,437.80
  4. Step 4: Simplify right side
    378,585,965.80x = 111,934,434,984,640,256
  5. Step 5: Solve for x
    x = 111,934,434,984,640,256/378,585,965.80
  6. Step 6: Final answer
    x = 295,664,512.41

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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.