Home / 635,653,254.21-952,965,343.05-198,729,036.06

Finding the Fourth Proportional to 635,653,254.21, 952,965,343.05 and 198,729,036.06

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Solution

The fourth proportional to 635,653,254.21, 952,965,343.05 and 198,729,036.06 is: 297,932,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,653,254.21 : 952,965,343.05 = 198,729,036.06 : x
  2. Step 2: Convert to fraction form
    635,653,254.21/952,965,343.05 = 198,729,036.06/x
  3. Step 3: Cross multiply
    635,653,254.21x = 952,965,343.05 × 198,729,036.06
  4. Step 4: Simplify right side
    635,653,254.21x = 189,381,884,022,913,728
  5. Step 5: Solve for x
    x = 189,381,884,022,913,728/635,653,254.21
  6. Step 6: Final answer
    x = 297,932,690.14

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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.