Home / 258,717,546,558.27-387,729,428,949.03-201,353,646,580.11

Finding the Fourth Proportional to 258,717,546,558.27, 387,729,428,949.03 and 201,353,646,580.11

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Solution

The fourth proportional to 258,717,546,558.27, 387,729,428,949.03 and 201,353,646,580.11 is: 301,760,493,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,717,546,558.27 : 387,729,428,949.03 = 201,353,646,580.11 : x
  2. Step 2: Convert to fraction form
    258,717,546,558.27/387,729,428,949.03 = 201,353,646,580.11/x
  3. Step 3: Cross multiply
    258,717,546,558.27x = 387,729,428,949.03 × 201,353,646,580.11
  4. Step 4: Simplify right side
    258,717,546,558.27x = 78,070,734,405,310,858,919,936
  5. Step 5: Solve for x
    x = 78,070,734,405,310,858,919,936/258,717,546,558.27
  6. Step 6: Final answer
    x = 301,760,493,031.45

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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.