Finding the Fourth Proportional to 495,448,283.40, 683,738,331.36 and 272,448,247.74
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Solution
The fourth proportional to 495,448,283.40, 683,738,331.36 and 272,448,247.74 is: 375,989,415.11
Step by Step Solution
- Step 1: Write the proportion equation
495,448,283.40 : 683,738,331.36 = 272,448,247.74 : x - Step 2: Convert to fraction form
495,448,283.40/683,738,331.36 = 272,448,247.74/x - Step 3: Cross multiply
495,448,283.40x = 683,738,331.36 × 272,448,247.74 - Step 4: Simplify right side
495,448,283.40x = 186,283,310,291,703,488 - Step 5: Solve for x
x = 186,283,310,291,703,488/495,448,283.40 - Step 6: Final answer
x = 375,989,415.11
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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.