Home / 475,770,377.30-713,689,961.85-199,143,379.37

Finding the Fourth Proportional to 475,770,377.30, 713,689,961.85 and 199,143,379.37

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Solution

The fourth proportional to 475,770,377.30, 713,689,961.85 and 199,143,379.37 is: 298,729,466.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,770,377.30 : 713,689,961.85 = 199,143,379.37 : x
  2. Step 2: Convert to fraction form
    475,770,377.30/713,689,961.85 = 199,143,379.37/x
  3. Step 3: Cross multiply
    475,770,377.30x = 713,689,961.85 × 199,143,379.37
  4. Step 4: Simplify right side
    475,770,377.30x = 142,126,630,827,039,616
  5. Step 5: Solve for x
    x = 142,126,630,827,039,616/475,770,377.30
  6. Step 6: Final answer
    x = 298,729,466.17

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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.