Home / 355,961,146,790.40-491,268,494,848.03-211,445,847,447.83

Finding the Fourth Proportional to 355,961,146,790.40, 491,268,494,848.03 and 211,445,847,447.83

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Solution

The fourth proportional to 355,961,146,790.40, 491,268,494,848.03 and 211,445,847,447.83 is: 291,820,284,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,961,146,790.40 : 491,268,494,848.03 = 211,445,847,447.83 : x
  2. Step 2: Convert to fraction form
    355,961,146,790.40/491,268,494,848.03 = 211,445,847,447.83/x
  3. Step 3: Cross multiply
    355,961,146,790.40x = 491,268,494,848.03 × 211,445,847,447.83
  4. Step 4: Simplify right side
    355,961,146,790.40x = 103,876,683,217,561,616,121,856
  5. Step 5: Solve for x
    x = 103,876,683,217,561,616,121,856/355,961,146,790.40
  6. Step 6: Final answer
    x = 291,820,284,753.51

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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.