Home / 1,115,324,120.19-1,672,631,241.96-368,200,782.75

Finding the Fourth Proportional to 1,115,324,120.19, 1,672,631,241.96 and 368,200,782.75

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Solution

The fourth proportional to 1,115,324,120.19, 1,672,631,241.96 and 368,200,782.75 is: 552,183,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,324,120.19 : 1,672,631,241.96 = 368,200,782.75 : x
  2. Step 2: Convert to fraction form
    1,115,324,120.19/1,672,631,241.96 = 368,200,782.75/x
  3. Step 3: Cross multiply
    1,115,324,120.19x = 1,672,631,241.96 × 368,200,782.75
  4. Step 4: Simplify right side
    1,115,324,120.19x = 615,864,132,541,776,640
  5. Step 5: Solve for x
    x = 615,864,132,541,776,640/1,115,324,120.19
  6. Step 6: Final answer
    x = 552,183,998.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.