Home / 635,653,141.82-952,965,174.50-198,728,923.67

Finding the Fourth Proportional to 635,653,141.82, 952,965,174.50 and 198,728,923.67

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Solution

The fourth proportional to 635,653,141.82, 952,965,174.50 and 198,728,923.67 is: 297,932,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,653,141.82 : 952,965,174.50 = 198,728,923.67 : x
  2. Step 2: Convert to fraction form
    635,653,141.82/952,965,174.50 = 198,728,923.67/x
  3. Step 3: Cross multiply
    635,653,141.82x = 952,965,174.50 × 198,728,923.67
  4. Step 4: Simplify right side
    635,653,141.82x = 189,381,743,423,051,968
  5. Step 5: Solve for x
    x = 189,381,743,423,051,968/635,653,141.82
  6. Step 6: Final answer
    x = 297,932,521.63

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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.