Finding the Fourth Proportional to 7,514,809,621.26, 10,370,153,168.46 and 4,173,523,137.24
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Solution
The fourth proportional to 7,514,809,621.26, 10,370,153,168.46 and 4,173,523,137.24 is: 5,759,304,142.96
Step by Step Solution
- Step 1: Write the proportion equation
7,514,809,621.26 : 10,370,153,168.46 = 4,173,523,137.24 : x - Step 2: Convert to fraction form
7,514,809,621.26/10,370,153,168.46 = 4,173,523,137.24/x - Step 3: Cross multiply
7,514,809,621.26x = 10,370,153,168.46 × 4,173,523,137.24 - Step 4: Simplify right side
7,514,809,621.26x = 43,280,074,185,290,498,048 - Step 5: Solve for x
x = 43,280,074,185,290,498,048/7,514,809,621.26 - Step 6: Final answer
x = 5,759,304,142.96
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1.5x scale
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.