Home / 636,820,289,809.30-955,364,609,436.55-206,523,822,499.80

Finding the Fourth Proportional to 636,820,289,809.30, 955,364,609,436.55 and 206,523,822,499.80

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Solution

The fourth proportional to 636,820,289,809.30, 955,364,609,436.55 and 206,523,822,499.80 is: 309,829,247,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,820,289,809.30 : 955,364,609,436.55 = 206,523,822,499.80 : x
  2. Step 2: Convert to fraction form
    636,820,289,809.30/955,364,609,436.55 = 206,523,822,499.80/x
  3. Step 3: Cross multiply
    636,820,289,809.30x = 955,364,609,436.55 × 206,523,822,499.80
  4. Step 4: Simplify right side
    636,820,289,809.30x = 197,305,551,021,864,797,601,792
  5. Step 5: Solve for x
    x = 197,305,551,021,864,797,601,792/636,820,289,809.30
  6. Step 6: Final answer
    x = 309,829,247,244.85

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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.