Home / 355,961,146,792.40-491,268,494,850.79-211,445,847,449.83

Finding the Fourth Proportional to 355,961,146,792.40, 491,268,494,850.79 and 211,445,847,449.83

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Solution

The fourth proportional to 355,961,146,792.40, 491,268,494,850.79 and 211,445,847,449.83 is: 291,820,284,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,961,146,792.40 : 491,268,494,850.79 = 211,445,847,449.83 : x
  2. Step 2: Convert to fraction form
    355,961,146,792.40/491,268,494,850.79 = 211,445,847,449.83/x
  3. Step 3: Cross multiply
    355,961,146,792.40x = 491,268,494,850.79 × 211,445,847,449.83
  4. Step 4: Simplify right side
    355,961,146,792.40x = 103,876,683,219,127,718,903,808
  5. Step 5: Solve for x
    x = 103,876,683,219,127,718,903,808/355,961,146,792.40
  6. Step 6: Final answer
    x = 291,820,284,756.27

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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.