Home / 2,158,664,497.92-2,978,956,375.68-1,168,589,180.16

Finding the Fourth Proportional to 2,158,664,497.92, 2,978,956,375.68 and 1,168,589,180.16

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Solution

The fourth proportional to 2,158,664,497.92, 2,978,956,375.68 and 1,168,589,180.16 is: 1,612,652,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,664,497.92 : 2,978,956,375.68 = 1,168,589,180.16 : x
  2. Step 2: Convert to fraction form
    2,158,664,497.92/2,978,956,375.68 = 1,168,589,180.16/x
  3. Step 3: Cross multiply
    2,158,664,497.92x = 2,978,956,375.68 × 1,168,589,180.16
  4. Step 4: Simplify right side
    2,158,664,497.92x = 3,481,176,188,788,296,192
  5. Step 5: Solve for x
    x = 3,481,176,188,788,296,192/2,158,664,497.92
  6. Step 6: Final answer
    x = 1,612,652,726.79

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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.