Home / 519,639,471.11-717,096,491.91-281,480,108.27

Finding the Fourth Proportional to 519,639,471.11, 717,096,491.91 and 281,480,108.27

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Solution

The fourth proportional to 519,639,471.11, 717,096,491.91 and 281,480,108.27 is: 388,439,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,639,471.11 : 717,096,491.91 = 281,480,108.27 : x
  2. Step 2: Convert to fraction form
    519,639,471.11/717,096,491.91 = 281,480,108.27/x
  3. Step 3: Cross multiply
    519,639,471.11x = 717,096,491.91 × 281,480,108.27
  4. Step 4: Simplify right side
    519,639,471.11x = 201,848,398,179,278,464
  5. Step 5: Solve for x
    x = 201,848,398,179,278,464/519,639,471.11
  6. Step 6: Final answer
    x = 388,439,311.10

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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.