Home / 442,829,203.20-664,621,718.40-197,563,276.80

Finding the Fourth Proportional to 442,829,203.20, 664,621,718.40 and 197,563,276.80

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Solution

The fourth proportional to 442,829,203.20, 664,621,718.40 and 197,563,276.80 is: 296,513,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,829,203.20 : 664,621,718.40 = 197,563,276.80 : x
  2. Step 2: Convert to fraction form
    442,829,203.20/664,621,718.40 = 197,563,276.80/x
  3. Step 3: Cross multiply
    442,829,203.20x = 664,621,718.40 × 197,563,276.80
  4. Step 4: Simplify right side
    442,829,203.20x = 131,304,844,519,550,864
  5. Step 5: Solve for x
    x = 131,304,844,519,550,864/442,829,203.20
  6. Step 6: Final answer
    x = 296,513,517.11

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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.