Finding the Fourth Proportional to 608,656,268,135.19, 839,962,052,721.26 and 358,103,452,307.60
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Solution
The fourth proportional to 608,656,268,135.19, 839,962,052,721.26 and 358,103,452,307.60 is: 494,192,414,724.38
Step by Step Solution
- Step 1: Write the proportion equation
608,656,268,135.19 : 839,962,052,721.26 = 358,103,452,307.60 : x - Step 2: Convert to fraction form
608,656,268,135.19/839,962,052,721.26 = 358,103,452,307.60/x - Step 3: Cross multiply
608,656,268,135.19x = 839,962,052,721.26 × 358,103,452,307.60 - Step 4: Simplify right side
608,656,268,135.19x = 300,793,310,886,861,511,589,888 - Step 5: Solve for x
x = 300,793,310,886,861,511,589,888/608,656,268,135.19 - Step 6: Final answer
x = 494,192,414,724.38
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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.