Finding the Fourth Proportional to 324,516,454.11, 447,987,130.11 and 217,410,201.09
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Solution
The fourth proportional to 324,516,454.11, 447,987,130.11 and 217,410,201.09 is: 300,129,533.68
Step by Step Solution
- Step 1: Write the proportion equation
324,516,454.11 : 447,987,130.11 = 217,410,201.09 : x - Step 2: Convert to fraction form
324,516,454.11/447,987,130.11 = 217,410,201.09/x - Step 3: Cross multiply
324,516,454.11x = 447,987,130.11 × 217,410,201.09 - Step 4: Simplify right side
324,516,454.11x = 97,396,972,042,947,104 - Step 5: Solve for x
x = 97,396,972,042,947,104/324,516,454.11 - Step 6: Final answer
x = 300,129,533.68
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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.