Finding the Fourth Proportional to 7,261,166,891.10, 10,891,750,336.65 and 6,228,045,587.10
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Solution
The fourth proportional to 7,261,166,891.10, 10,891,750,336.65 and 6,228,045,587.10 is: 9,342,068,380.65
Step by Step Solution
- Step 1: Write the proportion equation
7,261,166,891.10 : 10,891,750,336.65 = 6,228,045,587.10 : x - Step 2: Convert to fraction form
7,261,166,891.10/10,891,750,336.65 = 6,228,045,587.10/x - Step 3: Cross multiply
7,261,166,891.10x = 10,891,750,336.65 × 6,228,045,587.10 - Step 4: Simplify right side
7,261,166,891.10x = 67,834,317,619,967,975,424 - Step 5: Solve for x
x = 67,834,317,619,967,975,424/7,261,166,891.10 - Step 6: Final answer
x = 9,342,068,380.65
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Double scale
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Similar ratio
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1.5x scale
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.