Home / 475,770,378.30-713,689,963.35-199,143,380.38

Finding the Fourth Proportional to 475,770,378.30, 713,689,963.35 and 199,143,380.38

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Solution

The fourth proportional to 475,770,378.30, 713,689,963.35 and 199,143,380.38 is: 298,729,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,770,378.30 : 713,689,963.35 = 199,143,380.38 : x
  2. Step 2: Convert to fraction form
    475,770,378.30/713,689,963.35 = 199,143,380.38/x
  3. Step 3: Cross multiply
    475,770,378.30x = 713,689,963.35 × 199,143,380.38
  4. Step 4: Simplify right side
    475,770,378.30x = 142,126,631,841,228,864
  5. Step 5: Solve for x
    x = 142,126,631,841,228,864/475,770,378.30
  6. Step 6: Final answer
    x = 298,729,467.67

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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.