Home / 636,820,289,799.06-955,364,609,420.85-206,523,822,489.57

Finding the Fourth Proportional to 636,820,289,799.06, 955,364,609,420.85 and 206,523,822,489.57

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Solution

The fourth proportional to 636,820,289,799.06, 955,364,609,420.85 and 206,523,822,489.57 is: 309,829,247,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,820,289,799.06 : 955,364,609,420.85 = 206,523,822,489.57 : x
  2. Step 2: Convert to fraction form
    636,820,289,799.06/955,364,609,420.85 = 206,523,822,489.57/x
  3. Step 3: Cross multiply
    636,820,289,799.06x = 955,364,609,420.85 × 206,523,822,489.57
  4. Step 4: Simplify right side
    636,820,289,799.06x = 197,305,551,008,848,999,874,560
  5. Step 5: Solve for x
    x = 197,305,551,008,848,999,874,560/636,820,289,799.06
  6. Step 6: Final answer
    x = 309,829,247,229.40

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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.