Finding the Fourth Proportional to 431,462,019.99, 595,417,330.69 and 233,223,517.42
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Solution
The fourth proportional to 431,462,019.99, 595,417,330.69 and 233,223,517.42 is: 321,848,315.17
Step by Step Solution
- Step 1: Write the proportion equation
431,462,019.99 : 595,417,330.69 = 233,223,517.42 : x - Step 2: Convert to fraction form
431,462,019.99/595,417,330.69 = 233,223,517.42/x - Step 3: Cross multiply
431,462,019.99x = 595,417,330.69 × 233,223,517.42 - Step 4: Simplify right side
431,462,019.99x = 138,865,324,194,277,504 - Step 5: Solve for x
x = 138,865,324,194,277,504/431,462,019.99 - Step 6: Final answer
x = 321,848,315.17
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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.