Home / 353,968,049.52-488,476,209.49-197,332,014.92

Finding the Fourth Proportional to 353,968,049.52, 488,476,209.49 and 197,332,014.92

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Solution

The fourth proportional to 353,968,049.52, 488,476,209.49 and 197,332,014.92 is: 272,318,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,968,049.52 : 488,476,209.49 = 197,332,014.92 : x
  2. Step 2: Convert to fraction form
    353,968,049.52/488,476,209.49 = 197,332,014.92/x
  3. Step 3: Cross multiply
    353,968,049.52x = 488,476,209.49 × 197,332,014.92
  4. Step 4: Simplify right side
    353,968,049.52x = 96,391,994,656,206,064
  5. Step 5: Solve for x
    x = 96,391,994,656,206,064/353,968,049.52
  6. Step 6: Final answer
    x = 272,318,348.47

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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.