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Finding the Fourth Proportional to 614,348,924.43, 921,422,495.79 and 264,500,805.51

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Solution

The fourth proportional to 614,348,924.43, 921,422,495.79 and 264,500,805.51 is: 396,707,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,348,924.43 : 921,422,495.79 = 264,500,805.51 : x
  2. Step 2: Convert to fraction form
    614,348,924.43/921,422,495.79 = 264,500,805.51/x
  3. Step 3: Cross multiply
    614,348,924.43x = 921,422,495.79 × 264,500,805.51
  4. Step 4: Simplify right side
    614,348,924.43x = 243,716,992,351,489,568
  5. Step 5: Solve for x
    x = 243,716,992,351,489,568/614,348,924.43
  6. Step 6: Final answer
    x = 396,707,770.88

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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.