Finding the Fourth Proportional to 3,412,544,674.26, 5,119,008,329.16 and 958,690,260.66
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Solution
The fourth proportional to 3,412,544,674.26, 5,119,008,329.16 and 958,690,260.66 is: 1,438,089,138.12
Step by Step Solution
- Step 1: Write the proportion equation
3,412,544,674.26 : 5,119,008,329.16 = 958,690,260.66 : x - Step 2: Convert to fraction form
3,412,544,674.26/5,119,008,329.16 = 958,690,260.66/x - Step 3: Cross multiply
3,412,544,674.26x = 5,119,008,329.16 × 958,690,260.66 - Step 4: Simplify right side
3,412,544,674.26x = 4,907,543,429,403,111,424 - Step 5: Solve for x
x = 4,907,543,429,403,111,424/3,412,544,674.26 - Step 6: Final answer
x = 1,438,089,138.12
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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.