Finding the Fourth Proportional to 2,015,392,593,528.90, 3,025,240,207,130.20 and 868,590,770,378.55
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Solution
The fourth proportional to 2,015,392,593,528.90, 3,025,240,207,130.20 and 868,590,770,378.55 is: 1,303,813,326,757.52
Step by Step Solution
- Step 1: Write the proportion equation
2,015,392,593,528.90 : 3,025,240,207,130.20 = 868,590,770,378.55 : x - Step 2: Convert to fraction form
2,015,392,593,528.90/3,025,240,207,130.20 = 868,590,770,378.55/x - Step 3: Cross multiply
2,015,392,593,528.90x = 3,025,240,207,130.20 × 868,590,770,378.55 - Step 4: Simplify right side
2,015,392,593,528.90x = 2,627,695,722,091,384,888,360,960 - Step 5: Solve for x
x = 2,627,695,722,091,384,888,360,960/2,015,392,593,528.90 - Step 6: Final answer
x = 1,303,813,326,757.52
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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.