Home / 300,838,022.44-415,003,673.82-196,477,181.80

Finding the Fourth Proportional to 300,838,022.44, 415,003,673.82 and 196,477,181.80

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Solution

The fourth proportional to 300,838,022.44, 415,003,673.82 and 196,477,181.80 is: 271,038,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,838,022.44 : 415,003,673.82 = 196,477,181.80 : x
  2. Step 2: Convert to fraction form
    300,838,022.44/415,003,673.82 = 196,477,181.80/x
  3. Step 3: Cross multiply
    300,838,022.44x = 415,003,673.82 × 196,477,181.80
  4. Step 4: Simplify right side
    300,838,022.44x = 81,538,752,268,800,048
  5. Step 5: Solve for x
    x = 81,538,752,268,800,048/300,838,022.44
  6. Step 6: Final answer
    x = 271,038,719.13

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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.