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Finding the Fourth Proportional to 400,968,863.52, 601,453,810.50 and 109,838,546.88

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Solution

The fourth proportional to 400,968,863.52, 601,453,810.50 and 109,838,546.88 is: 164,757,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,968,863.52 : 601,453,810.50 = 109,838,546.88 : x
  2. Step 2: Convert to fraction form
    400,968,863.52/601,453,810.50 = 109,838,546.88/x
  3. Step 3: Cross multiply
    400,968,863.52x = 601,453,810.50 × 109,838,546.88
  4. Step 4: Simplify right side
    400,968,863.52x = 66,062,812,560,758,880
  5. Step 5: Solve for x
    x = 66,062,812,560,758,880/400,968,863.52
  6. Step 6: Final answer
    x = 164,757,961.46

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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.