Finding the Fourth Proportional to 7,726,348,814.38, 10,664,673,552.11 and 4,512,125,824.76
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Solution
The fourth proportional to 7,726,348,814.38, 10,664,673,552.11 and 4,512,125,824.76 is: 6,228,083,937.60
Step by Step Solution
- Step 1: Write the proportion equation
7,726,348,814.38 : 10,664,673,552.11 = 4,512,125,824.76 : x - Step 2: Convert to fraction form
7,726,348,814.38/10,664,673,552.11 = 4,512,125,824.76/x - Step 3: Cross multiply
7,726,348,814.38x = 10,664,673,552.11 × 4,512,125,824.76 - Step 4: Simplify right side
7,726,348,814.38x = 48,120,348,947,146,170,368 - Step 5: Solve for x
x = 48,120,348,947,146,170,368/7,726,348,814.38 - Step 6: Final answer
x = 6,228,083,937.60
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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.