Finding the Fourth Proportional to 8,750,642,573.30, 13,125,997,517.87 and 2,118,260,861.60
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Solution
The fourth proportional to 8,750,642,573.30, 13,125,997,517.87 and 2,118,260,861.60 is: 3,177,399,439.94
Step by Step Solution
- Step 1: Write the proportion equation
8,750,642,573.30 : 13,125,997,517.87 = 2,118,260,861.60 : x - Step 2: Convert to fraction form
8,750,642,573.30/13,125,997,517.87 = 2,118,260,861.60/x - Step 3: Cross multiply
8,750,642,573.30x = 13,125,997,517.87 × 2,118,260,861.60 - Step 4: Simplify right side
8,750,642,573.30x = 27,804,286,811,503,489,024 - Step 5: Solve for x
x = 27,804,286,811,503,489,024/8,750,642,573.30 - Step 6: Final answer
x = 3,177,399,439.94
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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.