Home / 1,586,156,689.56-2,188,764,666.97-871,654,673.41

Finding the Fourth Proportional to 1,586,156,689.56, 2,188,764,666.97 and 871,654,673.41

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Solution

The fourth proportional to 1,586,156,689.56, 2,188,764,666.97 and 871,654,673.41 is: 1,202,811,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,156,689.56 : 2,188,764,666.97 = 871,654,673.41 : x
  2. Step 2: Convert to fraction form
    1,586,156,689.56/2,188,764,666.97 = 871,654,673.41/x
  3. Step 3: Cross multiply
    1,586,156,689.56x = 2,188,764,666.97 × 871,654,673.41
  4. Step 4: Simplify right side
    1,586,156,689.56x = 1,907,846,950,962,951,936
  5. Step 5: Solve for x
    x = 1,907,846,950,962,951,936/1,586,156,689.56
  6. Step 6: Final answer
    x = 1,202,811,149.44

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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.