Finding the Fourth Proportional to 366,985,161.20, 550,477,741.80 and 327,348,988.40
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Solution
The fourth proportional to 366,985,161.20, 550,477,741.80 and 327,348,988.40 is: 491,023,482.60
Step by Step Solution
- Step 1: Write the proportion equation
366,985,161.20 : 550,477,741.80 = 327,348,988.40 : x - Step 2: Convert to fraction form
366,985,161.20/550,477,741.80 = 327,348,988.40/x - Step 3: Cross multiply
366,985,161.20x = 550,477,741.80 × 327,348,988.40 - Step 4: Simplify right side
366,985,161.20x = 180,198,331,914,946,368 - Step 5: Solve for x
x = 180,198,331,914,946,368/366,985,161.20 - Step 6: Final answer
x = 491,023,482.60
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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.