Home / 399,434,276.32-551,171,562.33-220,794,033.10

Finding the Fourth Proportional to 399,434,276.32, 551,171,562.33 and 220,794,033.10

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Solution

The fourth proportional to 399,434,276.32, 551,171,562.33 and 220,794,033.10 is: 304,669,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,434,276.32 : 551,171,562.33 = 220,794,033.10 : x
  2. Step 2: Convert to fraction form
    399,434,276.32/551,171,562.33 = 220,794,033.10/x
  3. Step 3: Cross multiply
    399,434,276.32x = 551,171,562.33 × 220,794,033.10
  4. Step 4: Simplify right side
    399,434,276.32x = 121,695,392,176,868,736
  5. Step 5: Solve for x
    x = 121,695,392,176,868,736/399,434,276.32
  6. Step 6: Final answer
    x = 304,669,377.15

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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.