Finding the Fourth Proportional to 5,679,974,230.92, 7,839,143,102.88 and 3,268,607,167.17
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Solution
The fourth proportional to 5,679,974,230.92, 7,839,143,102.88 and 3,268,607,167.17 is: 4,511,125,982.06
Step by Step Solution
- Step 1: Write the proportion equation
5,679,974,230.92 : 7,839,143,102.88 = 3,268,607,167.17 : x - Step 2: Convert to fraction form
5,679,974,230.92/7,839,143,102.88 = 3,268,607,167.17/x - Step 3: Cross multiply
5,679,974,230.92x = 7,839,143,102.88 × 3,268,607,167.17 - Step 4: Simplify right side
5,679,974,230.92x = 25,623,079,330,544,840,704 - Step 5: Solve for x
x = 25,623,079,330,544,840,704/5,679,974,230.92 - Step 6: Final answer
x = 4,511,125,982.06
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1.5x scale
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.