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Finding the Fourth Proportional to 1,062,863,404.80, 1,594,295,107.20 and 981,234,067.20

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Solution

The fourth proportional to 1,062,863,404.80, 1,594,295,107.20 and 981,234,067.20 is: 1,471,851,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,863,404.80 : 1,594,295,107.20 = 981,234,067.20 : x
  2. Step 2: Convert to fraction form
    1,062,863,404.80/1,594,295,107.20 = 981,234,067.20/x
  3. Step 3: Cross multiply
    1,062,863,404.80x = 1,594,295,107.20 × 981,234,067.20
  4. Step 4: Simplify right side
    1,062,863,404.80x = 1,564,376,672,354,916,096
  5. Step 5: Solve for x
    x = 1,564,376,672,354,916,096/1,062,863,404.80
  6. Step 6: Final answer
    x = 1,471,851,100.80

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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.