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Finding the Fourth Proportional to 489,936,559.60, 675,658,299.54 and 357,567,888.88

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Solution

The fourth proportional to 489,936,559.60, 675,658,299.54 and 357,567,888.88 is: 493,112,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,936,559.60 : 675,658,299.54 = 357,567,888.88 : x
  2. Step 2: Convert to fraction form
    489,936,559.60/675,658,299.54 = 357,567,888.88/x
  3. Step 3: Cross multiply
    489,936,559.60x = 675,658,299.54 × 357,567,888.88
  4. Step 4: Simplify right side
    489,936,559.60x = 241,593,711,770,947,584
  5. Step 5: Solve for x
    x = 241,593,711,770,947,584/489,936,559.60
  6. Step 6: Final answer
    x = 493,112,234.71

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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.