Finding the Fourth Proportional to 5,186,545,258.19, 7,775,458,299.62 and 4,201,529,074.97
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Solution
The fourth proportional to 5,186,545,258.19, 7,775,458,299.62 and 4,201,529,074.97 is: 6,298,761,987.18
Step by Step Solution
- Step 1: Write the proportion equation
5,186,545,258.19 : 7,775,458,299.62 = 4,201,529,074.97 : x - Step 2: Convert to fraction form
5,186,545,258.19/7,775,458,299.62 = 4,201,529,074.97/x - Step 3: Cross multiply
5,186,545,258.19x = 7,775,458,299.62 × 4,201,529,074.97 - Step 4: Simplify right side
5,186,545,258.19x = 32,668,814,117,057,601,536 - Step 5: Solve for x
x = 32,668,814,117,057,601,536/5,186,545,258.19 - Step 6: Final answer
x = 6,298,761,987.18
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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.