Home / 298,647,262.20-412,112,176.76-166,482,412.60

Finding the Fourth Proportional to 298,647,262.20, 412,112,176.76 and 166,482,412.60

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Solution

The fourth proportional to 298,647,262.20, 412,112,176.76 and 166,482,412.60 is: 229,733,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,647,262.20 : 412,112,176.76 = 166,482,412.60 : x
  2. Step 2: Convert to fraction form
    298,647,262.20/412,112,176.76 = 166,482,412.60/x
  3. Step 3: Cross multiply
    298,647,262.20x = 412,112,176.76 × 166,482,412.60
  4. Step 4: Simplify right side
    298,647,262.20x = 68,609,429,448,842,448
  5. Step 5: Solve for x
    x = 68,609,429,448,842,448/298,647,262.20
  6. Step 6: Final answer
    x = 229,733,997.70

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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.