Home / 567,218,443.80-850,827,665.70-485,589,106.20

Finding the Fourth Proportional to 567,218,443.80, 850,827,665.70 and 485,589,106.20

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Solution

The fourth proportional to 567,218,443.80, 850,827,665.70 and 485,589,106.20 is: 728,383,659.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,218,443.80 : 850,827,665.70 = 485,589,106.20 : x
  2. Step 2: Convert to fraction form
    567,218,443.80/850,827,665.70 = 485,589,106.20/x
  3. Step 3: Cross multiply
    567,218,443.80x = 850,827,665.70 × 485,589,106.20
  4. Step 4: Simplify right side
    567,218,443.80x = 413,152,645,717,495,424
  5. Step 5: Solve for x
    x = 413,152,645,717,495,424/567,218,443.80
  6. Step 6: Final answer
    x = 728,383,659.30

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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.