Finding the Fourth Proportional to 3,626,864,110.80, 5,440,296,166.20 and 1,328,850,824.40
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Solution
The fourth proportional to 3,626,864,110.80, 5,440,296,166.20 and 1,328,850,824.40 is: 1,993,276,236.60
Step by Step Solution
- Step 1: Write the proportion equation
3,626,864,110.80 : 5,440,296,166.20 = 1,328,850,824.40 : x - Step 2: Convert to fraction form
3,626,864,110.80/5,440,296,166.20 = 1,328,850,824.40/x - Step 3: Cross multiply
3,626,864,110.80x = 5,440,296,166.20 × 1,328,850,824.40 - Step 4: Simplify right side
3,626,864,110.80x = 7,229,342,045,435,029,504 - Step 5: Solve for x
x = 7,229,342,045,435,029,504/3,626,864,110.80 - Step 6: Final answer
x = 1,993,276,236.60
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1.5x scale
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.