Home / 415,963,192-574,022,188.34-230,320,221.88

Finding the Fourth Proportional to 415,963,192, 574,022,188.34 and 230,320,221.88

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Solution

The fourth proportional to 415,963,192, 574,022,188.34 and 230,320,221.88 is: 317,838,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,963,192 : 574,022,188.34 = 230,320,221.88 : x
  2. Step 2: Convert to fraction form
    415,963,192/574,022,188.34 = 230,320,221.88/x
  3. Step 3: Cross multiply
    415,963,192x = 574,022,188.34 × 230,320,221.88
  4. Step 4: Simplify right side
    415,963,192x = 132,208,917,782,511,952
  5. Step 5: Solve for x
    x = 132,208,917,782,511,952/415,963,192
  6. Step 6: Final answer
    x = 317,838,021.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.