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Finding the Fourth Proportional to 653,588,998.80, 980,383,498.20 and 244,592,005.20

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Solution

The fourth proportional to 653,588,998.80, 980,383,498.20 and 244,592,005.20 is: 366,888,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,588,998.80 : 980,383,498.20 = 244,592,005.20 : x
  2. Step 2: Convert to fraction form
    653,588,998.80/980,383,498.20 = 244,592,005.20/x
  3. Step 3: Cross multiply
    653,588,998.80x = 980,383,498.20 × 244,592,005.20
  4. Step 4: Simplify right side
    653,588,998.80x = 239,793,965,689,728,576
  5. Step 5: Solve for x
    x = 239,793,965,689,728,576/653,588,998.80
  6. Step 6: Final answer
    x = 366,888,007.80

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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.