Home / 327,804,512.40-491,706,768.60-164,545,837.20

Finding the Fourth Proportional to 327,804,512.40, 491,706,768.60 and 164,545,837.20

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Solution

The fourth proportional to 327,804,512.40, 491,706,768.60 and 164,545,837.20 is: 246,818,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,804,512.40 : 491,706,768.60 = 164,545,837.20 : x
  2. Step 2: Convert to fraction form
    327,804,512.40/491,706,768.60 = 164,545,837.20/x
  3. Step 3: Cross multiply
    327,804,512.40x = 491,706,768.60 × 164,545,837.20
  4. Step 4: Simplify right side
    327,804,512.40x = 80,908,301,896,193,664
  5. Step 5: Solve for x
    x = 80,908,301,896,193,664/327,804,512.40
  6. Step 6: Final answer
    x = 246,818,755.80

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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.