Finding the Fourth Proportional to 4,853,856,883.41, 6,696,416,655.54 and 2,818,961,336.46
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Solution
The fourth proportional to 4,853,856,883.41, 6,696,416,655.54 and 2,818,961,336.46 is: 3,889,059,792.70
Step by Step Solution
- Step 1: Write the proportion equation
4,853,856,883.41 : 6,696,416,655.54 = 2,818,961,336.46 : x - Step 2: Convert to fraction form
4,853,856,883.41/6,696,416,655.54 = 2,818,961,336.46/x - Step 3: Cross multiply
4,853,856,883.41x = 6,696,416,655.54 × 2,818,961,336.46 - Step 4: Simplify right side
4,853,856,883.41x = 18,876,939,644,794,040,320 - Step 5: Solve for x
x = 18,876,939,644,794,040,320/4,853,856,883.41 - Step 6: Final answer
x = 3,889,059,792.70
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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.