Home / 1,586,156,685.41-2,188,764,661.27-871,654,669.27

Finding the Fourth Proportional to 1,586,156,685.41, 2,188,764,661.27 and 871,654,669.27

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Solution

The fourth proportional to 1,586,156,685.41, 2,188,764,661.27 and 871,654,669.27 is: 1,202,811,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,156,685.41 : 2,188,764,661.27 = 871,654,669.27 : x
  2. Step 2: Convert to fraction form
    1,586,156,685.41/2,188,764,661.27 = 871,654,669.27/x
  3. Step 3: Cross multiply
    1,586,156,685.41x = 2,188,764,661.27 × 871,654,669.27
  4. Step 4: Simplify right side
    1,586,156,685.41x = 1,907,846,936,929,165,312
  5. Step 5: Solve for x
    x = 1,907,846,936,929,165,312/1,586,156,685.41
  6. Step 6: Final answer
    x = 1,202,811,143.74

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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.