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Finding the Fourth Proportional to 674,919,262.62, 931,389,949.62 and 377,566,470.48

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Solution

The fourth proportional to 674,919,262.62, 931,389,949.62 and 377,566,470.48 is: 521,042,494.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,919,262.62 : 931,389,949.62 = 377,566,470.48 : x
  2. Step 2: Convert to fraction form
    674,919,262.62/931,389,949.62 = 377,566,470.48/x
  3. Step 3: Cross multiply
    674,919,262.62x = 931,389,949.62 × 377,566,470.48
  4. Step 4: Simplify right side
    674,919,262.62x = 351,661,615,918,568,448
  5. Step 5: Solve for x
    x = 351,661,615,918,568,448/674,919,262.62
  6. Step 6: Final answer
    x = 521,042,494.11

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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.