Finding the Fourth Proportional to 273,276,783.79, 409,585,836.75 and 125,520,450.13
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Solution
The fourth proportional to 273,276,783.79, 409,585,836.75 and 125,520,450.13 is: 188,129,404.49
Step by Step Solution
- Step 1: Write the proportion equation
273,276,783.79 : 409,585,836.75 = 125,520,450.13 : x - Step 2: Convert to fraction form
273,276,783.79/409,585,836.75 = 125,520,450.13/x - Step 3: Cross multiply
273,276,783.79x = 409,585,836.75 × 125,520,450.13 - Step 4: Simplify right side
273,276,783.79x = 51,411,398,595,732,696 - Step 5: Solve for x
x = 51,411,398,595,732,696/273,276,783.79 - Step 6: Final answer
x = 188,129,404.49
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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.