Finding the Fourth Proportional to 3,015,137,710, 4,522,708,217.40 and 1,378,214,399.44
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Solution
The fourth proportional to 3,015,137,710, 4,522,708,217.40 and 1,378,214,399.44 is: 2,067,322,354.47
Step by Step Solution
- Step 1: Write the proportion equation
3,015,137,710 : 4,522,708,217.40 = 1,378,214,399.44 : x - Step 2: Convert to fraction form
3,015,137,710/4,522,708,217.40 = 1,378,214,399.44/x - Step 3: Cross multiply
3,015,137,710x = 4,522,708,217.40 × 1,378,214,399.44 - Step 4: Simplify right side
3,015,137,710x = 6,233,261,589,686,293,504 - Step 5: Solve for x
x = 6,233,261,589,686,293,504/3,015,137,710 - Step 6: Final answer
x = 2,067,322,354.47
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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.