Finding the Fourth Proportional to 354,620,492.10, 531,930,738.20 and 218,571,596.10
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Solution
The fourth proportional to 354,620,492.10, 531,930,738.20 and 218,571,596.10 is: 327,857,394.18
Step by Step Solution
- Step 1: Write the proportion equation
354,620,492.10 : 531,930,738.20 = 218,571,596.10 : x - Step 2: Convert to fraction form
354,620,492.10/531,930,738.20 = 218,571,596.10/x - Step 3: Cross multiply
354,620,492.10x = 531,930,738.20 × 218,571,596.10 - Step 4: Simplify right side
354,620,492.10x = 116,264,950,461,932,384 - Step 5: Solve for x
x = 116,264,950,461,932,384/354,620,492.10 - Step 6: Final answer
x = 327,857,394.18
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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.