Home / 355,961,146,796.22-491,268,494,856.10-211,445,847,453.68

Finding the Fourth Proportional to 355,961,146,796.22, 491,268,494,856.10 and 211,445,847,453.68

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Solution

The fourth proportional to 355,961,146,796.22, 491,268,494,856.10 and 211,445,847,453.68 is: 291,820,284,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,961,146,796.22 : 491,268,494,856.10 = 211,445,847,453.68 : x
  2. Step 2: Convert to fraction form
    355,961,146,796.22/491,268,494,856.10 = 211,445,847,453.68/x
  3. Step 3: Cross multiply
    355,961,146,796.22x = 491,268,494,856.10 × 211,445,847,453.68
  4. Step 4: Simplify right side
    355,961,146,796.22x = 103,876,683,222,141,896,753,152
  5. Step 5: Solve for x
    x = 103,876,683,222,141,896,753,152/355,961,146,796.22
  6. Step 6: Final answer
    x = 291,820,284,761.61

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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.