Home / 636,820,289,772-955,364,609,380.40-206,523,822,462.48

Finding the Fourth Proportional to 636,820,289,772, 955,364,609,380.40 and 206,523,822,462.48

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Solution

The fourth proportional to 636,820,289,772, 955,364,609,380.40 and 206,523,822,462.48 is: 309,829,247,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,820,289,772 : 955,364,609,380.40 = 206,523,822,462.48 : x
  2. Step 2: Convert to fraction form
    636,820,289,772/955,364,609,380.40 = 206,523,822,462.48/x
  3. Step 3: Cross multiply
    636,820,289,772x = 955,364,609,380.40 × 206,523,822,462.48
  4. Step 4: Simplify right side
    636,820,289,772x = 197,305,550,974,614,285,320,192
  5. Step 5: Solve for x
    x = 197,305,550,974,614,285,320,192/636,820,289,772
  6. Step 6: Final answer
    x = 309,829,247,188.80

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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.