Finding the Fourth Proportional to 4,993,643,646.09, 6,891,236,539.13 and 2,735,533,942.52
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Solution
The fourth proportional to 4,993,643,646.09, 6,891,236,539.13 and 2,735,533,942.52 is: 3,775,041,391.56
Step by Step Solution
- Step 1: Write the proportion equation
4,993,643,646.09 : 6,891,236,539.13 = 2,735,533,942.52 : x - Step 2: Convert to fraction form
4,993,643,646.09/6,891,236,539.13 = 2,735,533,942.52/x - Step 3: Cross multiply
4,993,643,646.09x = 6,891,236,539.13 × 2,735,533,942.52 - Step 4: Simplify right side
4,993,643,646.09x = 18,851,211,458,696,548,352 - Step 5: Solve for x
x = 18,851,211,458,696,548,352/4,993,643,646.09 - Step 6: Final answer
x = 3,775,041,391.56
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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.