Finding the Fourth Proportional to 7,616,718,573.85, 11,419,862,039.64 and 3,878,774,370.01
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Solution
The fourth proportional to 7,616,718,573.85, 11,419,862,039.64 and 3,878,774,370.01 is: 5,815,505,425.19
Step by Step Solution
- Step 1: Write the proportion equation
7,616,718,573.85 : 11,419,862,039.64 = 3,878,774,370.01 : x - Step 2: Convert to fraction form
7,616,718,573.85/11,419,862,039.64 = 3,878,774,370.01/x - Step 3: Cross multiply
7,616,718,573.85x = 11,419,862,039.64 × 3,878,774,370.01 - Step 4: Simplify right side
7,616,718,573.85x = 44,295,068,188,405,751,808 - Step 5: Solve for x
x = 44,295,068,188,405,751,808/7,616,718,573.85 - Step 6: Final answer
x = 5,815,505,425.19
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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.