Finding the Fourth Proportional to 2,125,600,911.05, 3,188,186,091.66 and 573,049,173.65
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Solution
The fourth proportional to 2,125,600,911.05, 3,188,186,091.66 and 573,049,173.65 is: 859,515,723.66
Step by Step Solution
- Step 1: Write the proportion equation
2,125,600,911.05 : 3,188,186,091.66 = 573,049,173.65 : x - Step 2: Convert to fraction form
2,125,600,911.05/3,188,186,091.66 = 573,049,173.65/x - Step 3: Cross multiply
2,125,600,911.05x = 3,188,186,091.66 × 573,049,173.65 - Step 4: Simplify right side
2,125,600,911.05x = 1,826,987,405,268,186,112 - Step 5: Solve for x
x = 1,826,987,405,268,186,112/2,125,600,911.05 - Step 6: Final answer
x = 859,515,723.66
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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.