Home / 354,297,166.92-488,930,394.78-197,664,298.20

Finding the Fourth Proportional to 354,297,166.92, 488,930,394.78 and 197,664,298.20

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Solution

The fourth proportional to 354,297,166.92, 488,930,394.78 and 197,664,298.20 is: 272,776,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,297,166.92 : 488,930,394.78 = 197,664,298.20 : x
  2. Step 2: Convert to fraction form
    354,297,166.92/488,930,394.78 = 197,664,298.20/x
  3. Step 3: Cross multiply
    354,297,166.92x = 488,930,394.78 × 197,664,298.20
  4. Step 4: Simplify right side
    354,297,166.92x = 96,644,083,352,837,632
  5. Step 5: Solve for x
    x = 96,644,083,352,837,632/354,297,166.92
  6. Step 6: Final answer
    x = 272,776,901.36

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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.