Finding the Fourth Proportional to 682,254,604.26, 941,511,329.73 and 368,988,810.66
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Solution
The fourth proportional to 682,254,604.26, 941,511,329.73 and 368,988,810.66 is: 509,204,545.65
Step by Step Solution
- Step 1: Write the proportion equation
682,254,604.26 : 941,511,329.73 = 368,988,810.66 : x - Step 2: Convert to fraction form
682,254,604.26/941,511,329.73 = 368,988,810.66/x - Step 3: Cross multiply
682,254,604.26x = 941,511,329.73 × 368,988,810.66 - Step 4: Simplify right side
682,254,604.26x = 347,407,145,779,987,840 - Step 5: Solve for x
x = 347,407,145,779,987,840/682,254,604.26 - Step 6: Final answer
x = 509,204,545.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.