Home / 2,275,323,286.31-3,139,819,478.44-1,257,989,896.85

Finding the Fourth Proportional to 2,275,323,286.31, 3,139,819,478.44 and 1,257,989,896.85

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Solution

The fourth proportional to 2,275,323,286.31, 3,139,819,478.44 and 1,257,989,896.85 is: 1,735,956,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,323,286.31 : 3,139,819,478.44 = 1,257,989,896.85 : x
  2. Step 2: Convert to fraction form
    2,275,323,286.31/3,139,819,478.44 = 1,257,989,896.85/x
  3. Step 3: Cross multiply
    2,275,323,286.31x = 3,139,819,478.44 × 1,257,989,896.85
  4. Step 4: Simplify right side
    2,275,323,286.31x = 3,949,861,181,815,060,992
  5. Step 5: Solve for x
    x = 3,949,861,181,815,060,992/2,275,323,286.31
  6. Step 6: Final answer
    x = 1,735,956,031.21

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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.