Finding the Fourth Proportional to 3,784,024,438.40, 5,184,026,881.36 and 3,642,548,049.92
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Solution
The fourth proportional to 3,784,024,438.40, 5,184,026,881.36 and 3,642,548,049.92 is: 4,990,207,466.90
Step by Step Solution
- Step 1: Write the proportion equation
3,784,024,438.40 : 5,184,026,881.36 = 3,642,548,049.92 : x - Step 2: Convert to fraction form
3,784,024,438.40/5,184,026,881.36 = 3,642,548,049.92/x - Step 3: Cross multiply
3,784,024,438.40x = 5,184,026,881.36 × 3,642,548,049.92 - Step 4: Simplify right side
3,784,024,438.40x = 18,883,067,007,430,725,632 - Step 5: Solve for x
x = 18,883,067,007,430,725,632/3,784,024,438.40 - Step 6: Final answer
x = 4,990,207,466.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.