Finding the Fourth Proportional to 2,419,963,138.40, 3,629,944,707.60 and 2,366,215,426.40
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Solution
The fourth proportional to 2,419,963,138.40, 3,629,944,707.60 and 2,366,215,426.40 is: 3,549,323,139.60
Step by Step Solution
- Step 1: Write the proportion equation
2,419,963,138.40 : 3,629,944,707.60 = 2,366,215,426.40 : x - Step 2: Convert to fraction form
2,419,963,138.40/3,629,944,707.60 = 2,366,215,426.40/x - Step 3: Cross multiply
2,419,963,138.40x = 3,629,944,707.60 × 2,366,215,426.40 - Step 4: Simplify right side
2,419,963,138.40x = 8,589,231,164,102,157,312 - Step 5: Solve for x
x = 8,589,231,164,102,157,312/2,419,963,138.40 - Step 6: Final answer
x = 3,549,323,139.60
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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.