Finding the Fourth Proportional to 367,471,130.40, 551,206,695.60 and 327,294,190.80
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Solution
The fourth proportional to 367,471,130.40, 551,206,695.60 and 327,294,190.80 is: 490,941,286.20
Step by Step Solution
- Step 1: Write the proportion equation
367,471,130.40 : 551,206,695.60 = 327,294,190.80 : x - Step 2: Convert to fraction form
367,471,130.40/551,206,695.60 = 327,294,190.80/x - Step 3: Cross multiply
367,471,130.40x = 551,206,695.60 × 327,294,190.80 - Step 4: Simplify right side
367,471,130.40x = 180,406,749,399,943,936 - Step 5: Solve for x
x = 180,406,749,399,943,936/367,471,130.40 - Step 6: Final answer
x = 490,941,286.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.