Finding the Fourth Proportional to 21,686,332,314.25, 32,512,390,326.85 and 13,701,670,591.09
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Solution
The fourth proportional to 21,686,332,314.25, 32,512,390,326.85 and 13,701,670,591.09 is: 20,541,696,766.99
Step by Step Solution
- Step 1: Write the proportion equation
21,686,332,314.25 : 32,512,390,326.85 = 13,701,670,591.09 : x - Step 2: Convert to fraction form
21,686,332,314.25/32,512,390,326.85 = 13,701,670,591.09/x - Step 3: Cross multiply
21,686,332,314.25x = 32,512,390,326.85 × 13,701,670,591.09 - Step 4: Simplify right side
21,686,332,314.25x = 445,474,062,387,504,611,328 - Step 5: Solve for x
x = 445,474,062,387,504,611,328/21,686,332,314.25 - Step 6: Final answer
x = 20,541,696,766.99
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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.