Finding the Fourth Proportional to 5,229,724,245.20, 7,216,758,623.94 and 2,971,365,467.84
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Solution
The fourth proportional to 5,229,724,245.20, 7,216,758,623.94 and 2,971,365,467.84 is: 4,100,336,147.66
Step by Step Solution
- Step 1: Write the proportion equation
5,229,724,245.20 : 7,216,758,623.94 = 2,971,365,467.84 : x - Step 2: Convert to fraction form
5,229,724,245.20/7,216,758,623.94 = 2,971,365,467.84/x - Step 3: Cross multiply
5,229,724,245.20x = 7,216,758,623.94 × 2,971,365,467.84 - Step 4: Simplify right side
5,229,724,245.20x = 21,443,627,364,911,833,088 - Step 5: Solve for x
x = 21,443,627,364,911,833,088/5,229,724,245.20 - Step 6: Final answer
x = 4,100,336,147.66
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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.