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Finding the Fourth Proportional to 559,696,447.35, 772,383,767.67 and 308,800,823.31

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Solution

The fourth proportional to 559,696,447.35, 772,383,767.67 and 308,800,823.31 is: 426,146,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,696,447.35 : 772,383,767.67 = 308,800,823.31 : x
  2. Step 2: Convert to fraction form
    559,696,447.35/772,383,767.67 = 308,800,823.31/x
  3. Step 3: Cross multiply
    559,696,447.35x = 772,383,767.67 × 308,800,823.31
  4. Step 4: Simplify right side
    559,696,447.35x = 238,512,743,367,775,744
  5. Step 5: Solve for x
    x = 238,512,743,367,775,744/559,696,447.35
  6. Step 6: Final answer
    x = 426,146,609.46

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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.