Finding the Fourth Proportional to 367,198,885.53, 506,743,548.98 and 199,944,315.90
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Solution
The fourth proportional to 367,198,885.53, 506,743,548.98 and 199,944,315.90 is: 275,928,103.90
Step by Step Solution
- Step 1: Write the proportion equation
367,198,885.53 : 506,743,548.98 = 199,944,315.90 : x - Step 2: Convert to fraction form
367,198,885.53/506,743,548.98 = 199,944,315.90/x - Step 3: Cross multiply
367,198,885.53x = 506,743,548.98 × 199,944,315.90 - Step 4: Simplify right side
367,198,885.53x = 101,320,492,237,544,256 - Step 5: Solve for x
x = 101,320,492,237,544,256/367,198,885.53 - Step 6: Final answer
x = 275,928,103.90
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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.