Home / 641,936,116.89-963,233,640.87-305,794,333.65

Finding the Fourth Proportional to 641,936,116.89, 963,233,640.87 and 305,794,333.65

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Solution

The fourth proportional to 641,936,116.89, 963,233,640.87 and 305,794,333.65 is: 458,848,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,936,116.89 : 963,233,640.87 = 305,794,333.65 : x
  2. Step 2: Convert to fraction form
    641,936,116.89/963,233,640.87 = 305,794,333.65/x
  3. Step 3: Cross multiply
    641,936,116.89x = 963,233,640.87 × 305,794,333.65
  4. Step 4: Simplify right side
    641,936,116.89x = 294,551,389,359,105,024
  5. Step 5: Solve for x
    x = 294,551,389,359,105,024/641,936,116.89
  6. Step 6: Final answer
    x = 458,848,445.52

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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.