Home / 567,172,972.80-850,759,459.20-485,543,635.20

Finding the Fourth Proportional to 567,172,972.80, 850,759,459.20 and 485,543,635.20

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Solution

The fourth proportional to 567,172,972.80, 850,759,459.20 and 485,543,635.20 is: 728,315,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,172,972.80 : 850,759,459.20 = 485,543,635.20 : x
  2. Step 2: Convert to fraction form
    567,172,972.80/850,759,459.20 = 485,543,635.20/x
  3. Step 3: Cross multiply
    567,172,972.80x = 850,759,459.20 × 485,543,635.20
  4. Step 4: Simplify right side
    567,172,972.80x = 413,080,840,500,754,112
  5. Step 5: Solve for x
    x = 413,080,840,500,754,112/567,172,972.80
  6. Step 6: Final answer
    x = 728,315,452.80

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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.