Finding the Fourth Proportional to 547,629,101.97, 821,436,477.85 and 133,104,719.05
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Solution
The fourth proportional to 547,629,101.97, 821,436,477.85 and 133,104,719.05 is: 199,655,334.62
Step by Step Solution
- Step 1: Write the proportion equation
547,629,101.97 : 821,436,477.85 = 133,104,719.05 : x - Step 2: Convert to fraction form
547,629,101.97/821,436,477.85 = 133,104,719.05/x - Step 3: Cross multiply
547,629,101.97x = 821,436,477.85 × 133,104,719.05 - Step 4: Simplify right side
547,629,101.97x = 109,337,071,601,645,792 - Step 5: Solve for x
x = 109,337,071,601,645,792/547,629,101.97 - Step 6: Final answer
x = 199,655,334.62
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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.