Finding the Fourth Proportional to 547,629,100.97, 821,436,476.35 and 133,104,718.05
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Solution
The fourth proportional to 547,629,100.97, 821,436,476.35 and 133,104,718.05 is: 199,655,333.11
Step by Step Solution
- Step 1: Write the proportion equation
547,629,100.97 : 821,436,476.35 = 133,104,718.05 : x - Step 2: Convert to fraction form
547,629,100.97/821,436,476.35 = 133,104,718.05/x - Step 3: Cross multiply
547,629,100.97x = 821,436,476.35 × 133,104,718.05 - Step 4: Simplify right side
547,629,100.97x = 109,337,070,577,392,000 - Step 5: Solve for x
x = 109,337,070,577,392,000/547,629,100.97 - Step 6: Final answer
x = 199,655,333.11
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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.