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Finding the Fourth Proportional to 544,335,951.60, 816,610,215.60 and 216,755,719.20

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Solution

The fourth proportional to 544,335,951.60, 816,610,215.60 and 216,755,719.20 is: 325,175,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,335,951.60 : 816,610,215.60 = 216,755,719.20 : x
  2. Step 2: Convert to fraction form
    544,335,951.60/816,610,215.60 = 216,755,719.20/x
  3. Step 3: Cross multiply
    544,335,951.60x = 816,610,215.60 × 216,755,719.20
  4. Step 4: Simplify right side
    544,335,951.60x = 177,004,934,588,445,056
  5. Step 5: Solve for x
    x = 177,004,934,588,445,056/544,335,951.60
  6. Step 6: Final answer
    x = 325,175,902.98

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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.