Finding the Fourth Proportional to 7,955,713,278.60, 11,930,286,607.26 and 2,715,743,548.05
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Solution
The fourth proportional to 7,955,713,278.60, 11,930,286,607.26 and 2,715,743,548.05 is: 4,072,494,538.89
Step by Step Solution
- Step 1: Write the proportion equation
7,955,713,278.60 : 11,930,286,607.26 = 2,715,743,548.05 : x - Step 2: Convert to fraction form
7,955,713,278.60/11,930,286,607.26 = 2,715,743,548.05/x - Step 3: Cross multiply
7,955,713,278.60x = 11,930,286,607.26 × 2,715,743,548.05 - Step 4: Simplify right side
7,955,713,278.60x = 32,399,598,880,053,673,984 - Step 5: Solve for x
x = 32,399,598,880,053,673,984/7,955,713,278.60 - Step 6: Final answer
x = 4,072,494,538.89
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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.