Finding the Fourth Proportional to 4,839,821,708.10, 7,259,732,562.15 and 4,793,905,205.70
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Solution
The fourth proportional to 4,839,821,708.10, 7,259,732,562.15 and 4,793,905,205.70 is: 7,190,857,808.55
Step by Step Solution
- Step 1: Write the proportion equation
4,839,821,708.10 : 7,259,732,562.15 = 4,793,905,205.70 : x - Step 2: Convert to fraction form
4,839,821,708.10/7,259,732,562.15 = 4,793,905,205.70/x - Step 3: Cross multiply
4,839,821,708.10x = 7,259,732,562.15 × 4,793,905,205.70 - Step 4: Simplify right side
4,839,821,708.10x = 34,802,469,721,680,678,912 - Step 5: Solve for x
x = 34,802,469,721,680,678,912/4,839,821,708.10 - Step 6: Final answer
x = 7,190,857,808.55
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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.