Finding the Fourth Proportional to 3,398,769,307.78, 4,656,330,566.28 and 3,271,384,235.82
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Solution
The fourth proportional to 3,398,769,307.78, 4,656,330,566.28 and 3,271,384,235.82 is: 4,481,812,394.98
Step by Step Solution
- Step 1: Write the proportion equation
3,398,769,307.78 : 4,656,330,566.28 = 3,271,384,235.82 : x - Step 2: Convert to fraction form
3,398,769,307.78/4,656,330,566.28 = 3,271,384,235.82/x - Step 3: Cross multiply
3,398,769,307.78x = 4,656,330,566.28 × 3,271,384,235.82 - Step 4: Simplify right side
3,398,769,307.78x = 15,232,646,411,295,205,376 - Step 5: Solve for x
x = 15,232,646,411,295,205,376/3,398,769,307.78 - Step 6: Final answer
x = 4,481,812,394.98
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.