Home / 355,961,146,790.91-491,268,494,848.72-211,445,847,448.33

Finding the Fourth Proportional to 355,961,146,790.91, 491,268,494,848.72 and 211,445,847,448.33

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Solution

The fourth proportional to 355,961,146,790.91, 491,268,494,848.72 and 211,445,847,448.33 is: 291,820,284,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,961,146,790.91 : 491,268,494,848.72 = 211,445,847,448.33 : x
  2. Step 2: Convert to fraction form
    355,961,146,790.91/491,268,494,848.72 = 211,445,847,448.33/x
  3. Step 3: Cross multiply
    355,961,146,790.91x = 491,268,494,848.72 × 211,445,847,448.33
  4. Step 4: Simplify right side
    355,961,146,790.91x = 103,876,683,217,953,129,234,432
  5. Step 5: Solve for x
    x = 103,876,683,217,953,129,234,432/355,961,146,790.91
  6. Step 6: Final answer
    x = 291,820,284,754.20

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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.