Home / 354,297,257.17-488,930,519.37-197,664,388.27

Finding the Fourth Proportional to 354,297,257.17, 488,930,519.37 and 197,664,388.27

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Solution

The fourth proportional to 354,297,257.17, 488,930,519.37 and 197,664,388.27 is: 272,777,025.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,297,257.17 : 488,930,519.37 = 197,664,388.27 : x
  2. Step 2: Convert to fraction form
    354,297,257.17/488,930,519.37 = 197,664,388.27/x
  3. Step 3: Cross multiply
    354,297,257.17x = 488,930,519.37 × 197,664,388.27
  4. Step 4: Simplify right side
    354,297,257.17x = 96,644,152,017,804,448
  5. Step 5: Solve for x
    x = 96,644,152,017,804,448/354,297,257.17
  6. Step 6: Final answer
    x = 272,777,025.68

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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.