Home / 512,812,617.15-707,682,037.05-277,863,092.34

Finding the Fourth Proportional to 512,812,617.15, 707,682,037.05 and 277,863,092.34

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Solution

The fourth proportional to 512,812,617.15, 707,682,037.05 and 277,863,092.34 is: 383,451,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,812,617.15 : 707,682,037.05 = 277,863,092.34 : x
  2. Step 2: Convert to fraction form
    512,812,617.15/707,682,037.05 = 277,863,092.34/x
  3. Step 3: Cross multiply
    512,812,617.15x = 707,682,037.05 × 277,863,092.34
  4. Step 4: Simplify right side
    512,812,617.15x = 196,638,719,208,183,424
  5. Step 5: Solve for x
    x = 196,638,719,208,183,424/512,812,617.15
  6. Step 6: Final answer
    x = 383,451,406.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.