Finding the Fourth Proportional to 370,798,195.97, 511,468,755.95 and 219,984,077.85
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Solution
The fourth proportional to 370,798,195.97, 511,468,755.95 and 219,984,077.85 is: 303,439,940.78
Step by Step Solution
- Step 1: Write the proportion equation
370,798,195.97 : 511,468,755.95 = 219,984,077.85 : x - Step 2: Convert to fraction form
370,798,195.97/511,468,755.95 = 219,984,077.85/x - Step 3: Cross multiply
370,798,195.97x = 511,468,755.95 × 219,984,077.85 - Step 4: Simplify right side
370,798,195.97x = 112,514,982,626,747,440 - Step 5: Solve for x
x = 112,514,982,626,747,440/370,798,195.97 - Step 6: Final answer
x = 303,439,940.78
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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.