Finding the Fourth Proportional to 66,452,392,906.43, 91,704,306,688.93 and 36,378,877,447.80
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Solution
The fourth proportional to 66,452,392,906.43, 91,704,306,688.93 and 36,378,877,447.80 is: 50,202,853,329.45
Step by Step Solution
- Step 1: Write the proportion equation
66,452,392,906.43 : 91,704,306,688.93 = 36,378,877,447.80 : x - Step 2: Convert to fraction form
66,452,392,906.43/91,704,306,688.93 = 36,378,877,447.80/x - Step 3: Cross multiply
66,452,392,906.43x = 91,704,306,688.93 × 36,378,877,447.80 - Step 4: Simplify right side
66,452,392,906.43x = 3,336,099,734,472,014,430,208 - Step 5: Solve for x
x = 3,336,099,734,472,014,430,208/66,452,392,906.43 - Step 6: Final answer
x = 50,202,853,329.45
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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.