Finding the Fourth Proportional to 8,190,364,298.23, 11,310,508,855.67 and 7,744,158,473.95
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Solution
The fourth proportional to 8,190,364,298.23, 11,310,508,855.67 and 7,744,158,473.95 is: 10,694,319,545.50
Step by Step Solution
- Step 1: Write the proportion equation
8,190,364,298.23 : 11,310,508,855.67 = 7,744,158,473.95 : x - Step 2: Convert to fraction form
8,190,364,298.23/11,310,508,855.67 = 7,744,158,473.95/x - Step 3: Cross multiply
8,190,364,298.23x = 11,310,508,855.67 × 7,744,158,473.95 - Step 4: Simplify right side
8,190,364,298.23x = 87,590,372,999,266,795,520 - Step 5: Solve for x
x = 87,590,372,999,266,795,520/8,190,364,298.23 - Step 6: Final answer
x = 10,694,319,545.50
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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.