Finding the Fourth Proportional to 547,629,008.51, 821,436,337.60 and 133,104,625.62
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Solution
The fourth proportional to 547,629,008.51, 821,436,337.60 and 133,104,625.62 is: 199,655,194.46
Step by Step Solution
- Step 1: Write the proportion equation
547,629,008.51 : 821,436,337.60 = 133,104,625.62 : x - Step 2: Convert to fraction form
547,629,008.51/821,436,337.60 = 133,104,625.62/x - Step 3: Cross multiply
547,629,008.51x = 821,436,337.60 × 133,104,625.62 - Step 4: Simplify right side
547,629,008.51x = 109,336,976,183,997,920 - Step 5: Solve for x
x = 109,336,976,183,997,920/547,629,008.51 - Step 6: Final answer
x = 199,655,194.46
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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.