Home / 567,218,460.80-850,827,691.20-485,589,123.20

Finding the Fourth Proportional to 567,218,460.80, 850,827,691.20 and 485,589,123.20

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Solution

The fourth proportional to 567,218,460.80, 850,827,691.20 and 485,589,123.20 is: 728,383,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,218,460.80 : 850,827,691.20 = 485,589,123.20 : x
  2. Step 2: Convert to fraction form
    567,218,460.80/850,827,691.20 = 485,589,123.20/x
  3. Step 3: Cross multiply
    567,218,460.80x = 850,827,691.20 × 485,589,123.20
  4. Step 4: Simplify right side
    567,218,460.80x = 413,152,672,564,088,384
  5. Step 5: Solve for x
    x = 413,152,672,564,088,384/567,218,460.80
  6. Step 6: Final answer
    x = 728,383,684.80

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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.