Home / 1,236,889,684.53-1,856,219,708.16-449,941,816.26

Finding the Fourth Proportional to 1,236,889,684.53, 1,856,219,708.16 and 449,941,816.26

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Solution

The fourth proportional to 1,236,889,684.53, 1,856,219,708.16 and 449,941,816.26 is: 675,234,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,889,684.53 : 1,856,219,708.16 = 449,941,816.26 : x
  2. Step 2: Convert to fraction form
    1,236,889,684.53/1,856,219,708.16 = 449,941,816.26/x
  3. Step 3: Cross multiply
    1,236,889,684.53x = 1,856,219,708.16 × 449,941,816.26
  4. Step 4: Simplify right side
    1,236,889,684.53x = 835,190,866,867,117,568
  5. Step 5: Solve for x
    x = 835,190,866,867,117,568/1,236,889,684.53
  6. Step 6: Final answer
    x = 675,234,725.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.