Finding the Fourth Proportional to 495,448,241.15, 683,738,273.04 and 272,448,205.49
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Solution
The fourth proportional to 495,448,241.15, 683,738,273.04 and 272,448,205.49 is: 375,989,356.79
Step by Step Solution
- Step 1: Write the proportion equation
495,448,241.15 : 683,738,273.04 = 272,448,205.49 : x - Step 2: Convert to fraction form
495,448,241.15/683,738,273.04 = 272,448,205.49/x - Step 3: Cross multiply
495,448,241.15x = 683,738,273.04 × 272,448,205.49 - Step 4: Simplify right side
495,448,241.15x = 186,283,265,514,579,648 - Step 5: Solve for x
x = 186,283,265,514,579,648/495,448,241.15 - Step 6: Final answer
x = 375,989,356.79
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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.