Home / 355,961,146,751.77-491,268,494,794.53-211,445,847,409.19

Finding the Fourth Proportional to 355,961,146,751.77, 491,268,494,794.53 and 211,445,847,409.19

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Solution

The fourth proportional to 355,961,146,751.77, 491,268,494,794.53 and 211,445,847,409.19 is: 291,820,284,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,961,146,751.77 : 491,268,494,794.53 = 211,445,847,409.19 : x
  2. Step 2: Convert to fraction form
    355,961,146,751.77/491,268,494,794.53 = 211,445,847,409.19/x
  3. Step 3: Cross multiply
    355,961,146,751.77x = 491,268,494,794.53 × 211,445,847,409.19
  4. Step 4: Simplify right side
    355,961,146,751.77x = 103,876,683,187,266,644,869,120
  5. Step 5: Solve for x
    x = 103,876,683,187,266,644,869,120/355,961,146,751.77
  6. Step 6: Final answer
    x = 291,820,284,700.08

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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.