Home / 668,566,708.20-1,002,850,062.30-515,511,700.20

Finding the Fourth Proportional to 668,566,708.20, 1,002,850,062.30 and 515,511,700.20

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Solution

The fourth proportional to 668,566,708.20, 1,002,850,062.30 and 515,511,700.20 is: 773,267,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,566,708.20 : 1,002,850,062.30 = 515,511,700.20 : x
  2. Step 2: Convert to fraction form
    668,566,708.20/1,002,850,062.30 = 515,511,700.20/x
  3. Step 3: Cross multiply
    668,566,708.20x = 1,002,850,062.30 × 515,511,700.20
  4. Step 4: Simplify right side
    668,566,708.20x = 516,980,940,661,948,864
  5. Step 5: Solve for x
    x = 516,980,940,661,948,864/668,566,708.20
  6. Step 6: Final answer
    x = 773,267,550.30

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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.