Home / 619,923,740,837.20-855,494,755,405.99-334,782,260,933.18

Finding the Fourth Proportional to 619,923,740,837.20, 855,494,755,405.99 and 334,782,260,933.18

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Solution

The fourth proportional to 619,923,740,837.20, 855,494,755,405.99 and 334,782,260,933.18 is: 461,999,516,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,923,740,837.20 : 855,494,755,405.99 = 334,782,260,933.18 : x
  2. Step 2: Convert to fraction form
    619,923,740,837.20/855,494,755,405.99 = 334,782,260,933.18/x
  3. Step 3: Cross multiply
    619,923,740,837.20x = 855,494,755,405.99 × 334,782,260,933.18
  4. Step 4: Simplify right side
    619,923,740,837.20x = 286,404,468,431,295,122,243,584
  5. Step 5: Solve for x
    x = 286,404,468,431,295,122,243,584/619,923,740,837.20
  6. Step 6: Final answer
    x = 461,999,516,334.88

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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.