Home / 354,297,254.67-488,930,515.92-197,664,385.77

Finding the Fourth Proportional to 354,297,254.67, 488,930,515.92 and 197,664,385.77

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Solution

The fourth proportional to 354,297,254.67, 488,930,515.92 and 197,664,385.77 is: 272,777,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,297,254.67 : 488,930,515.92 = 197,664,385.77 : x
  2. Step 2: Convert to fraction form
    354,297,254.67/488,930,515.92 = 197,664,385.77/x
  3. Step 3: Cross multiply
    354,297,254.67x = 488,930,515.92 × 197,664,385.77
  4. Step 4: Simplify right side
    354,297,254.67x = 96,644,150,113,536,016
  5. Step 5: Solve for x
    x = 96,644,150,113,536,016/354,297,254.67
  6. Step 6: Final answer
    x = 272,777,022.23

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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.