Finding the Fourth Proportional to 5,479,703,425.98, 7,561,990,728.54 and 2,973,577,137.75
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Solution
The fourth proportional to 5,479,703,425.98, 7,561,990,728.54 and 2,973,577,137.75 is: 4,103,536,450.47
Step by Step Solution
- Step 1: Write the proportion equation
5,479,703,425.98 : 7,561,990,728.54 = 2,973,577,137.75 : x - Step 2: Convert to fraction form
5,479,703,425.98/7,561,990,728.54 = 2,973,577,137.75/x - Step 3: Cross multiply
5,479,703,425.98x = 7,561,990,728.54 × 2,973,577,137.75 - Step 4: Simplify right side
5,479,703,425.98x = 22,486,162,746,264,010,752 - Step 5: Solve for x
x = 22,486,162,746,264,010,752/5,479,703,425.98 - Step 6: Final answer
x = 4,103,536,450.47
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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.