Home / 289,775,236.91-399,853,495.44-195,893,658.27

Finding the Fourth Proportional to 289,775,236.91, 399,853,495.44 and 195,893,658.27

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Solution

The fourth proportional to 289,775,236.91, 399,853,495.44 and 195,893,658.27 is: 270,308,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,775,236.91 : 399,853,495.44 = 195,893,658.27 : x
  2. Step 2: Convert to fraction form
    289,775,236.91/399,853,495.44 = 195,893,658.27/x
  3. Step 3: Cross multiply
    289,775,236.91x = 399,853,495.44 × 195,893,658.27
  4. Step 4: Simplify right side
    289,775,236.91x = 78,328,763,993,788,368
  5. Step 5: Solve for x
    x = 78,328,763,993,788,368/289,775,236.91
  6. Step 6: Final answer
    x = 270,308,687.62

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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.