Finding the Fourth Proportional to 1,082,029,578.40, 1,493,074,845.36 and 605,746,027.84
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Solution
The fourth proportional to 1,082,029,578.40, 1,493,074,845.36 and 605,746,027.84 is: 835,858,995.82
Step by Step Solution
- Step 1: Write the proportion equation
1,082,029,578.40 : 1,493,074,845.36 = 605,746,027.84 : x - Step 2: Convert to fraction form
1,082,029,578.40/1,493,074,845.36 = 605,746,027.84/x - Step 3: Cross multiply
1,082,029,578.40x = 1,493,074,845.36 × 605,746,027.84 - Step 4: Simplify right side
1,082,029,578.40x = 904,424,156,844,642,304 - Step 5: Solve for x
x = 904,424,156,844,642,304/1,082,029,578.40 - Step 6: Final answer
x = 835,858,995.82
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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.