Finding the Fourth Proportional to 2,136,155,138.40, 3,204,594,481.68 and 736,759,449.12
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Solution
The fourth proportional to 2,136,155,138.40, 3,204,594,481.68 and 736,759,449.12 is: 1,105,263,949.48
Step by Step Solution
- Step 1: Write the proportion equation
2,136,155,138.40 : 3,204,594,481.68 = 736,759,449.12 : x - Step 2: Convert to fraction form
2,136,155,138.40/3,204,594,481.68 = 736,759,449.12/x - Step 3: Cross multiply
2,136,155,138.40x = 3,204,594,481.68 × 736,759,449.12 - Step 4: Simplify right side
2,136,155,138.40x = 2,361,015,264,975,548,416 - Step 5: Solve for x
x = 2,361,015,264,975,548,416/2,136,155,138.40 - Step 6: Final answer
x = 1,105,263,949.48
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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.