Home / 1,586,156,689.43-2,188,764,666.80-871,654,673.29

Finding the Fourth Proportional to 1,586,156,689.43, 2,188,764,666.80 and 871,654,673.29

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Solution

The fourth proportional to 1,586,156,689.43, 2,188,764,666.80 and 871,654,673.29 is: 1,202,811,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,156,689.43 : 2,188,764,666.80 = 871,654,673.29 : x
  2. Step 2: Convert to fraction form
    1,586,156,689.43/2,188,764,666.80 = 871,654,673.29/x
  3. Step 3: Cross multiply
    1,586,156,689.43x = 2,188,764,666.80 × 871,654,673.29
  4. Step 4: Simplify right side
    1,586,156,689.43x = 1,907,846,950,542,778,112
  5. Step 5: Solve for x
    x = 1,907,846,950,542,778,112/1,586,156,689.43
  6. Step 6: Final answer
    x = 1,202,811,149.27

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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.