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Finding the Fourth Proportional to 902,354,342.49, 1,352,576,217 and 303,522,125.58

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Solution

The fourth proportional to 902,354,342.49, 1,352,576,217 and 303,522,125.58 is: 454,961,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,354,342.49 : 1,352,576,217 = 303,522,125.58 : x
  2. Step 2: Convert to fraction form
    902,354,342.49/1,352,576,217 = 303,522,125.58/x
  3. Step 3: Cross multiply
    902,354,342.49x = 1,352,576,217 × 303,522,125.58
  4. Step 4: Simplify right side
    902,354,342.49x = 410,536,808,392,795,328
  5. Step 5: Solve for x
    x = 410,536,808,392,795,328/902,354,342.49
  6. Step 6: Final answer
    x = 454,961,858.18

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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.