Home / 410,085,086.60-565,915,382.71-221,913,247.88

Finding the Fourth Proportional to 410,085,086.60, 565,915,382.71 and 221,913,247.88

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Solution

The fourth proportional to 410,085,086.60, 565,915,382.71 and 221,913,247.88 is: 306,239,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,085,086.60 : 565,915,382.71 = 221,913,247.88 : x
  2. Step 2: Convert to fraction form
    410,085,086.60/565,915,382.71 = 221,913,247.88/x
  3. Step 3: Cross multiply
    410,085,086.60x = 565,915,382.71 × 221,913,247.88
  4. Step 4: Simplify right side
    410,085,086.60x = 125,584,120,599,044,928
  5. Step 5: Solve for x
    x = 125,584,120,599,044,928/410,085,086.60
  6. Step 6: Final answer
    x = 306,239,179.88

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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.