Finding the Fourth Proportional to 1,679,616,217.65, 2,519,424,326.48 and 1,669,412,550.45
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Solution
The fourth proportional to 1,679,616,217.65, 2,519,424,326.48 and 1,669,412,550.45 is: 2,504,118,825.68
Step by Step Solution
- Step 1: Write the proportion equation
1,679,616,217.65 : 2,519,424,326.48 = 1,669,412,550.45 : x - Step 2: Convert to fraction form
1,679,616,217.65/2,519,424,326.48 = 1,669,412,550.45/x - Step 3: Cross multiply
1,679,616,217.65x = 2,519,424,326.48 × 1,669,412,550.45 - Step 4: Simplify right side
1,679,616,217.65x = 4,205,958,590,526,403,072 - Step 5: Solve for x
x = 4,205,958,590,526,403,072/1,679,616,217.65 - Step 6: Final answer
x = 2,504,118,825.68
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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.