Home / 353,905,504.92-530,489,951.51-198,231,083.28

Finding the Fourth Proportional to 353,905,504.92, 530,489,951.51 and 198,231,083.28

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Solution

The fourth proportional to 353,905,504.92, 530,489,951.51 and 198,231,083.28 is: 297,140,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,905,504.92 : 530,489,951.51 = 198,231,083.28 : x
  2. Step 2: Convert to fraction form
    353,905,504.92/530,489,951.51 = 198,231,083.28/x
  3. Step 3: Cross multiply
    353,905,504.92x = 530,489,951.51 × 198,231,083.28
  4. Step 4: Simplify right side
    353,905,504.92x = 105,159,597,755,990,816
  5. Step 5: Solve for x
    x = 105,159,597,755,990,816/353,905,504.92
  6. Step 6: Final answer
    x = 297,140,327.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.