Finding the Fourth Proportional to 3,810,790,902, 5,715,552,341.93 and 1,154,215,368.19
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Solution
The fourth proportional to 3,810,790,902, 5,715,552,341.93 and 1,154,215,368.19 is: 1,731,131,022.51
Step by Step Solution
- Step 1: Write the proportion equation
3,810,790,902 : 5,715,552,341.93 = 1,154,215,368.19 : x - Step 2: Convert to fraction form
3,810,790,902/5,715,552,341.93 = 1,154,215,368.19/x - Step 3: Cross multiply
3,810,790,902x = 5,715,552,341.93 × 1,154,215,368.19 - Step 4: Simplify right side
3,810,790,902x = 6,596,978,350,738,548,736 - Step 5: Solve for x
x = 6,596,978,350,738,548,736/3,810,790,902 - Step 6: Final answer
x = 1,731,131,022.51
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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.