Home / 839,810,092.20-1,259,715,138.30-426,561,570.60

Finding the Fourth Proportional to 839,810,092.20, 1,259,715,138.30 and 426,561,570.60

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Solution

The fourth proportional to 839,810,092.20, 1,259,715,138.30 and 426,561,570.60 is: 639,842,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,092.20 : 1,259,715,138.30 = 426,561,570.60 : x
  2. Step 2: Convert to fraction form
    839,810,092.20/1,259,715,138.30 = 426,561,570.60/x
  3. Step 3: Cross multiply
    839,810,092.20x = 1,259,715,138.30 × 426,561,570.60
  4. Step 4: Simplify right side
    839,810,092.20x = 537,346,067,901,844,224
  5. Step 5: Solve for x
    x = 537,346,067,901,844,224/839,810,092.20
  6. Step 6: Final answer
    x = 639,842,355.90

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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.