Finding the Fourth Proportional to 33,628,626,793.40, 46,407,508,909.68 and 18,386,728,922.12
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Solution
The fourth proportional to 33,628,626,793.40, 46,407,508,909.68 and 18,386,728,922.12 is: 25,373,688,063.90
Step by Step Solution
- Step 1: Write the proportion equation
33,628,626,793.40 : 46,407,508,909.68 = 18,386,728,922.12 : x - Step 2: Convert to fraction form
33,628,626,793.40/46,407,508,909.68 = 18,386,728,922.12/x - Step 3: Cross multiply
33,628,626,793.40x = 46,407,508,909.68 × 18,386,728,922.12 - Step 4: Simplify right side
33,628,626,793.40x = 853,282,286,273,016,496,128 - Step 5: Solve for x
x = 853,282,286,273,016,496,128/33,628,626,793.40 - Step 6: Final answer
x = 25,373,688,063.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.