Home / 325,696,028.20-488,544,042.30-228,761,189.80

Finding the Fourth Proportional to 325,696,028.20, 488,544,042.30 and 228,761,189.80

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Solution

The fourth proportional to 325,696,028.20, 488,544,042.30 and 228,761,189.80 is: 343,141,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,696,028.20 : 488,544,042.30 = 228,761,189.80 : x
  2. Step 2: Convert to fraction form
    325,696,028.20/488,544,042.30 = 228,761,189.80/x
  3. Step 3: Cross multiply
    325,696,028.20x = 488,544,042.30 × 228,761,189.80
  4. Step 4: Simplify right side
    325,696,028.20x = 111,759,916,386,249,536
  5. Step 5: Solve for x
    x = 111,759,916,386,249,536/325,696,028.20
  6. Step 6: Final answer
    x = 343,141,784.70

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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.