Finding the Fourth Proportional to 367,457,816.70, 551,186,725.05 and 330,044,370.30
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Solution
The fourth proportional to 367,457,816.70, 551,186,725.05 and 330,044,370.30 is: 495,066,555.45
Step by Step Solution
- Step 1: Write the proportion equation
367,457,816.70 : 551,186,725.05 = 330,044,370.30 : x - Step 2: Convert to fraction form
367,457,816.70/551,186,725.05 = 330,044,370.30/x - Step 3: Cross multiply
367,457,816.70x = 551,186,725.05 × 330,044,370.30 - Step 4: Simplify right side
367,457,816.70x = 181,916,075,586,846,464 - Step 5: Solve for x
x = 181,916,075,586,846,464/367,457,816.70 - Step 6: Final answer
x = 495,066,555.45
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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.