Home / 355,961,146,789.40-491,268,494,846.65-211,445,847,446.83

Finding the Fourth Proportional to 355,961,146,789.40, 491,268,494,846.65 and 211,445,847,446.83

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Solution

The fourth proportional to 355,961,146,789.40, 491,268,494,846.65 and 211,445,847,446.83 is: 291,820,284,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,961,146,789.40 : 491,268,494,846.65 = 211,445,847,446.83 : x
  2. Step 2: Convert to fraction form
    355,961,146,789.40/491,268,494,846.65 = 211,445,847,446.83/x
  3. Step 3: Cross multiply
    355,961,146,789.40x = 491,268,494,846.65 × 211,445,847,446.83
  4. Step 4: Simplify right side
    355,961,146,789.40x = 103,876,683,216,778,539,565,056
  5. Step 5: Solve for x
    x = 103,876,683,216,778,539,565,056/355,961,146,789.40
  6. Step 6: Final answer
    x = 291,820,284,752.13

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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.