Finding the Fourth Proportional to 7,486,197,237.62, 11,211,469,703.59 and 4,331,763,997.57
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Solution
The fourth proportional to 7,486,197,237.62, 11,211,469,703.59 and 4,331,763,997.57 is: 6,487,331,188.36
Step by Step Solution
- Step 1: Write the proportion equation
7,486,197,237.62 : 11,211,469,703.59 = 4,331,763,997.57 : x - Step 2: Convert to fraction form
7,486,197,237.62/11,211,469,703.59 = 4,331,763,997.57/x - Step 3: Cross multiply
7,486,197,237.62x = 11,211,469,703.59 × 4,331,763,997.57 - Step 4: Simplify right side
7,486,197,237.62x = 48,565,440,821,857,959,936 - Step 5: Solve for x
x = 48,565,440,821,857,959,936/7,486,197,237.62 - Step 6: Final answer
x = 6,487,331,188.36
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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.