Home / 567,218,468.80-850,827,703.20-485,589,131.20

Finding the Fourth Proportional to 567,218,468.80, 850,827,703.20 and 485,589,131.20

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Solution

The fourth proportional to 567,218,468.80, 850,827,703.20 and 485,589,131.20 is: 728,383,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,218,468.80 : 850,827,703.20 = 485,589,131.20 : x
  2. Step 2: Convert to fraction form
    567,218,468.80/850,827,703.20 = 485,589,131.20/x
  3. Step 3: Cross multiply
    567,218,468.80x = 850,827,703.20 × 485,589,131.20
  4. Step 4: Simplify right side
    567,218,468.80x = 413,152,685,197,779,456
  5. Step 5: Solve for x
    x = 413,152,685,197,779,456/567,218,468.80
  6. Step 6: Final answer
    x = 728,383,696.80

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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.