Finding the Fourth Proportional to 8,809,057,316.40, 13,213,585,974.60 and 6,191,816,679.60
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Solution
The fourth proportional to 8,809,057,316.40, 13,213,585,974.60 and 6,191,816,679.60 is: 9,287,725,019.40
Step by Step Solution
- Step 1: Write the proportion equation
8,809,057,316.40 : 13,213,585,974.60 = 6,191,816,679.60 : x - Step 2: Convert to fraction form
8,809,057,316.40/13,213,585,974.60 = 6,191,816,679.60/x - Step 3: Cross multiply
8,809,057,316.40x = 13,213,585,974.60 × 6,191,816,679.60 - Step 4: Simplify right side
8,809,057,316.40x = 81,816,102,034,856,902,656 - Step 5: Solve for x
x = 81,816,102,034,856,902,656/8,809,057,316.40 - Step 6: Final answer
x = 9,287,725,019.40
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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.