Home / 345,288,562.20-476,498,727.72-196,609,804.20

Finding the Fourth Proportional to 345,288,562.20, 476,498,727.72 and 196,609,804.20

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Solution

The fourth proportional to 345,288,562.20, 476,498,727.72 and 196,609,804.20 is: 271,321,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,288,562.20 : 476,498,727.72 = 196,609,804.20 : x
  2. Step 2: Convert to fraction form
    345,288,562.20/476,498,727.72 = 196,609,804.20/x
  3. Step 3: Cross multiply
    345,288,562.20x = 476,498,727.72 × 196,609,804.20
  4. Step 4: Simplify right side
    345,288,562.20x = 93,684,321,558,578,320
  5. Step 5: Solve for x
    x = 93,684,321,558,578,320/345,288,562.20
  6. Step 6: Final answer
    x = 271,321,821.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.