Finding the Fourth Proportional to 6,824,533,674.90, 10,236,800,512.35 and 1,917,207,480.90
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Solution
The fourth proportional to 6,824,533,674.90, 10,236,800,512.35 and 1,917,207,480.90 is: 2,875,811,221.35
Step by Step Solution
- Step 1: Write the proportion equation
6,824,533,674.90 : 10,236,800,512.35 = 1,917,207,480.90 : x - Step 2: Convert to fraction form
6,824,533,674.90/10,236,800,512.35 = 1,917,207,480.90/x - Step 3: Cross multiply
6,824,533,674.90x = 10,236,800,512.35 × 1,917,207,480.90 - Step 4: Simplify right side
6,824,533,674.90x = 19,626,070,522,758,373,376 - Step 5: Solve for x
x = 19,626,070,522,758,373,376/6,824,533,674.90 - Step 6: Final answer
x = 2,875,811,221.35
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Double scale
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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.