Home / 839,840,606.80-1,259,760,910.20-329,237,342.80

Finding the Fourth Proportional to 839,840,606.80, 1,259,760,910.20 and 329,237,342.80

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Solution

The fourth proportional to 839,840,606.80, 1,259,760,910.20 and 329,237,342.80 is: 493,856,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,840,606.80 : 1,259,760,910.20 = 329,237,342.80 : x
  2. Step 2: Convert to fraction form
    839,840,606.80/1,259,760,910.20 = 329,237,342.80/x
  3. Step 3: Cross multiply
    839,840,606.80x = 1,259,760,910.20 × 329,237,342.80
  4. Step 4: Simplify right side
    839,840,606.80x = 414,760,334,637,557,440
  5. Step 5: Solve for x
    x = 414,760,334,637,557,440/839,840,606.80
  6. Step 6: Final answer
    x = 493,856,014.20

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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.