Finding the Fourth Proportional to 352,464,478.56, 486,414,107.28 and 211,358,672.37
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Solution
The fourth proportional to 352,464,478.56, 486,414,107.28 and 211,358,672.37 is: 291,682,839.52
Step by Step Solution
- Step 1: Write the proportion equation
352,464,478.56 : 486,414,107.28 = 211,358,672.37 : x - Step 2: Convert to fraction form
352,464,478.56/486,414,107.28 = 211,358,672.37/x - Step 3: Cross multiply
352,464,478.56x = 486,414,107.28 × 211,358,672.37 - Step 4: Simplify right side
352,464,478.56x = 102,807,839,936,739,552 - Step 5: Solve for x
x = 102,807,839,936,739,552/352,464,478.56 - Step 6: Final answer
x = 291,682,839.52
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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.