Finding the Fourth Proportional to 330,092,021.40, 495,138,032.10 and 305,149,723.80
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Solution
The fourth proportional to 330,092,021.40, 495,138,032.10 and 305,149,723.80 is: 457,724,585.70
Step by Step Solution
- Step 1: Write the proportion equation
330,092,021.40 : 495,138,032.10 = 305,149,723.80 : x - Step 2: Convert to fraction form
330,092,021.40/495,138,032.10 = 305,149,723.80/x - Step 3: Cross multiply
330,092,021.40x = 495,138,032.10 × 305,149,723.80 - Step 4: Simplify right side
330,092,021.40x = 151,091,233,738,190,560 - Step 5: Solve for x
x = 151,091,233,738,190,560/330,092,021.40 - Step 6: Final answer
x = 457,724,585.70
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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.