Finding the Fourth Proportional to 267,616,540.84, 368,622,716.55 and 189,165,220.42
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Solution
The fourth proportional to 267,616,540.84, 368,622,716.55 and 189,165,220.42 is: 260,561,612.55
Step by Step Solution
- Step 1: Write the proportion equation
267,616,540.84 : 368,622,716.55 = 189,165,220.42 : x - Step 2: Convert to fraction form
267,616,540.84/368,622,716.55 = 189,165,220.42/x - Step 3: Cross multiply
267,616,540.84x = 368,622,716.55 × 189,165,220.42 - Step 4: Simplify right side
267,616,540.84x = 69,730,597,426,289,216 - Step 5: Solve for x
x = 69,730,597,426,289,216/267,616,540.84 - Step 6: Final answer
x = 260,561,612.55
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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.