Finding the Fourth Proportional to 3,738,702,064.92, 5,159,531,910.42 and 2,045,117,953.19
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Solution
The fourth proportional to 3,738,702,064.92, 5,159,531,910.42 and 2,045,117,953.19 is: 2,822,330,091.26
Step by Step Solution
- Step 1: Write the proportion equation
3,738,702,064.92 : 5,159,531,910.42 = 2,045,117,953.19 : x - Step 2: Convert to fraction form
3,738,702,064.92/5,159,531,910.42 = 2,045,117,953.19/x - Step 3: Cross multiply
3,738,702,064.92x = 5,159,531,910.42 × 2,045,117,953.19 - Step 4: Simplify right side
3,738,702,064.92x = 10,551,851,340,069,539,840 - Step 5: Solve for x
x = 10,551,851,340,069,539,840/3,738,702,064.92 - Step 6: Final answer
x = 2,822,330,091.26
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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.