Finding the Fourth Proportional to 2,015,392,593,527.90, 3,025,240,207,128.60 and 868,590,770,377.40
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Solution
The fourth proportional to 2,015,392,593,527.90, 3,025,240,207,128.60 and 868,590,770,377.40 is: 1,303,813,326,755.75
Step by Step Solution
- Step 1: Write the proportion equation
2,015,392,593,527.90 : 3,025,240,207,128.60 = 868,590,770,377.40 : x - Step 2: Convert to fraction form
2,015,392,593,527.90/3,025,240,207,128.60 = 868,590,770,377.40/x - Step 3: Cross multiply
2,015,392,593,527.90x = 3,025,240,207,128.60 × 868,590,770,377.40 - Step 4: Simplify right side
2,015,392,593,527.90x = 2,627,695,722,086,516,006,060,032 - Step 5: Solve for x
x = 2,627,695,722,086,516,006,060,032/2,015,392,593,527.90 - Step 6: Final answer
x = 1,303,813,326,755.75
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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.