Home / 567,218,666.80-850,828,000.20-485,589,329.20

Finding the Fourth Proportional to 567,218,666.80, 850,828,000.20 and 485,589,329.20

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Solution

The fourth proportional to 567,218,666.80, 850,828,000.20 and 485,589,329.20 is: 728,383,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,218,666.80 : 850,828,000.20 = 485,589,329.20 : x
  2. Step 2: Convert to fraction form
    567,218,666.80/850,828,000.20 = 485,589,329.20/x
  3. Step 3: Cross multiply
    567,218,666.80x = 850,828,000.20 × 485,589,329.20
  4. Step 4: Simplify right side
    567,218,666.80x = 413,152,997,881,695,488
  5. Step 5: Solve for x
    x = 413,152,997,881,695,488/567,218,666.80
  6. Step 6: Final answer
    x = 728,383,993.80

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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.