Finding the Fourth Proportional to 3,511,251,964.51, 4,840,840,217.42 and 2,789,434,890.07
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Solution
The fourth proportional to 3,511,251,964.51, 4,840,840,217.42 and 2,789,434,890.07 is: 3,845,696,274.77
Step by Step Solution
- Step 1: Write the proportion equation
3,511,251,964.51 : 4,840,840,217.42 = 2,789,434,890.07 : x - Step 2: Convert to fraction form
3,511,251,964.51/4,840,840,217.42 = 2,789,434,890.07/x - Step 3: Cross multiply
3,511,251,964.51x = 4,840,840,217.42 × 2,789,434,890.07 - Step 4: Simplify right side
3,511,251,964.51x = 13,503,208,599,711,447,040 - Step 5: Solve for x
x = 13,503,208,599,711,447,040/3,511,251,964.51 - Step 6: Final answer
x = 3,845,696,274.77
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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.