Finding the Fourth Proportional to 2,330,481,906.40, 3,495,722,859.60 and 949,543,621.60
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Solution
The fourth proportional to 2,330,481,906.40, 3,495,722,859.60 and 949,543,621.60 is: 1,424,315,432.40
Step by Step Solution
- Step 1: Write the proportion equation
2,330,481,906.40 : 3,495,722,859.60 = 949,543,621.60 : x - Step 2: Convert to fraction form
2,330,481,906.40/3,495,722,859.60 = 949,543,621.60/x - Step 3: Cross multiply
2,330,481,906.40x = 3,495,722,859.60 × 949,543,621.60 - Step 4: Simplify right side
2,330,481,906.40x = 3,319,341,344,214,492,160 - Step 5: Solve for x
x = 3,319,341,344,214,492,160/2,330,481,906.40 - Step 6: Final answer
x = 1,424,315,432.40
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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.