Finding the Fourth Proportional to 4,858,899,583.68, 6,705,287,892 and 2,631,235,613.76
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Solution
The fourth proportional to 4,858,899,583.68, 6,705,287,892 and 2,631,235,613.76 is: 3,631,108,648.80
Step by Step Solution
- Step 1: Write the proportion equation
4,858,899,583.68 : 6,705,287,892 = 2,631,235,613.76 : x - Step 2: Convert to fraction form
4,858,899,583.68/6,705,287,892 = 2,631,235,613.76/x - Step 3: Cross multiply
4,858,899,583.68x = 6,705,287,892 × 2,631,235,613.76 - Step 4: Simplify right side
4,858,899,583.68x = 17,643,192,301,944,117,248 - Step 5: Solve for x
x = 17,643,192,301,944,117,248/4,858,899,583.68 - Step 6: Final answer
x = 3,631,108,648.80
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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.