Home / 641,936,116.39-963,233,640.12-305,794,333.15

Finding the Fourth Proportional to 641,936,116.39, 963,233,640.12 and 305,794,333.15

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Solution

The fourth proportional to 641,936,116.39, 963,233,640.12 and 305,794,333.15 is: 458,848,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,936,116.39 : 963,233,640.12 = 305,794,333.15 : x
  2. Step 2: Convert to fraction form
    641,936,116.39/963,233,640.12 = 305,794,333.15/x
  3. Step 3: Cross multiply
    641,936,116.39x = 963,233,640.12 × 305,794,333.15
  4. Step 4: Simplify right side
    641,936,116.39x = 294,551,388,648,142,464
  5. Step 5: Solve for x
    x = 294,551,388,648,142,464/641,936,116.39
  6. Step 6: Final answer
    x = 458,848,444.77

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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.