Finding the Fourth Proportional to 253,493,864.75, 379,585,935.63 and 174,952,725.26
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Solution
The fourth proportional to 253,493,864.75, 379,585,935.63 and 174,952,725.26 is: 261,977,125.05
Step by Step Solution
- Step 1: Write the proportion equation
253,493,864.75 : 379,585,935.63 = 174,952,725.26 : x - Step 2: Convert to fraction form
253,493,864.75/379,585,935.63 = 174,952,725.26/x - Step 3: Cross multiply
253,493,864.75x = 379,585,935.63 × 174,952,725.26 - Step 4: Simplify right side
253,493,864.75x = 66,409,593,906,937,504 - Step 5: Solve for x
x = 66,409,593,906,937,504/253,493,864.75 - Step 6: Final answer
x = 261,977,125.05
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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.