Finding the Fourth Proportional to 3,848,721,268,555.90, 5,311,690,676,752 and 2,286,193,696,983.60
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Solution
The fourth proportional to 3,848,721,268,555.90, 5,311,690,676,752 and 2,286,193,696,983.60 is: 3,155,217,771,868.79
Step by Step Solution
- Step 1: Write the proportion equation
3,848,721,268,555.90 : 5,311,690,676,752 = 2,286,193,696,983.60 : x - Step 2: Convert to fraction form
3,848,721,268,555.90/5,311,690,676,752 = 2,286,193,696,983.60/x - Step 3: Cross multiply
3,848,721,268,555.90x = 5,311,690,676,752 × 2,286,193,696,983.60 - Step 4: Simplify right side
3,848,721,268,555.90x = 12,143,553,745,516,976,555,425,792 - Step 5: Solve for x
x = 12,143,553,745,516,976,555,425,792/3,848,721,268,555.90 - Step 6: Final answer
x = 3,155,217,771,868.79
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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.