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Finding the Fourth Proportional to 299,514,689.83, 449,294,624.13 and 89,408,787.04

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Solution

The fourth proportional to 299,514,689.83, 449,294,624.13 and 89,408,787.04 is: 134,119,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,514,689.83 : 449,294,624.13 = 89,408,787.04 : x
  2. Step 2: Convert to fraction form
    299,514,689.83/449,294,624.13 = 89,408,787.04/x
  3. Step 3: Cross multiply
    299,514,689.83x = 449,294,624.13 × 89,408,787.04
  4. Step 4: Simplify right side
    299,514,689.83x = 40,170,887,367,056,016
  5. Step 5: Solve for x
    x = 40,170,887,367,056,016/299,514,689.83
  6. Step 6: Final answer
    x = 134,119,923.77

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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.