Finding the Fourth Proportional to 406,382,409.06, 560,807,297.73 and 220,743,569.94
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Solution
The fourth proportional to 406,382,409.06, 560,807,297.73 and 220,743,569.94 is: 304,625,894.70
Step by Step Solution
- Step 1: Write the proportion equation
406,382,409.06 : 560,807,297.73 = 220,743,569.94 : x - Step 2: Convert to fraction form
406,382,409.06/560,807,297.73 = 220,743,569.94/x - Step 3: Cross multiply
406,382,409.06x = 560,807,297.73 × 220,743,569.94 - Step 4: Simplify right side
406,382,409.06x = 123,794,604,949,324,656 - Step 5: Solve for x
x = 123,794,604,949,324,656/406,382,409.06 - Step 6: Final answer
x = 304,625,894.70
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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.