Finding the Fourth Proportional to 7,045,536,429.10, 10,568,304,643.65 and 2,138,202,361.90
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Solution
The fourth proportional to 7,045,536,429.10, 10,568,304,643.65 and 2,138,202,361.90 is: 3,207,303,542.85
Step by Step Solution
- Step 1: Write the proportion equation
7,045,536,429.10 : 10,568,304,643.65 = 2,138,202,361.90 : x - Step 2: Convert to fraction form
7,045,536,429.10/10,568,304,643.65 = 2,138,202,361.90/x - Step 3: Cross multiply
7,045,536,429.10x = 10,568,304,643.65 × 2,138,202,361.90 - Step 4: Simplify right side
7,045,536,429.10x = 22,597,173,950,331,166,720 - Step 5: Solve for x
x = 22,597,173,950,331,166,720/7,045,536,429.10 - Step 6: Final answer
x = 3,207,303,542.85
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1.5x scale
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.