Finding the Fourth Proportional to 495,448,241.65, 683,738,273.73 and 272,448,205.99
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Solution
The fourth proportional to 495,448,241.65, 683,738,273.73 and 272,448,205.99 is: 375,989,357.48
Step by Step Solution
- Step 1: Write the proportion equation
495,448,241.65 : 683,738,273.73 = 272,448,205.99 : x - Step 2: Convert to fraction form
495,448,241.65/683,738,273.73 = 272,448,205.99/x - Step 3: Cross multiply
495,448,241.65x = 683,738,273.73 × 272,448,205.99 - Step 4: Simplify right side
495,448,241.65x = 186,283,266,044,438,048 - Step 5: Solve for x
x = 186,283,266,044,438,048/495,448,241.65 - Step 6: Final answer
x = 375,989,357.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.