Finding the Fourth Proportional to 3,626,737,231.80, 5,431,035,921.30 and 2,901,143,119.80
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Solution
The fourth proportional to 3,626,737,231.80, 5,431,035,921.30 and 2,901,143,119.80 is: 4,344,459,355.45
Step by Step Solution
- Step 1: Write the proportion equation
3,626,737,231.80 : 5,431,035,921.30 = 2,901,143,119.80 : x - Step 2: Convert to fraction form
3,626,737,231.80/5,431,035,921.30 = 2,901,143,119.80/x - Step 3: Cross multiply
3,626,737,231.80x = 5,431,035,921.30 × 2,901,143,119.80 - Step 4: Simplify right side
3,626,737,231.80x = 15,756,212,496,466,151,424 - Step 5: Solve for x
x = 15,756,212,496,466,151,424/3,626,737,231.80 - Step 6: Final answer
x = 4,344,459,355.45
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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.