Finding the Fourth Proportional to 411,840,868.44, 568,351,497.18 and 242,306,940.36
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Solution
The fourth proportional to 411,840,868.44, 568,351,497.18 and 242,306,940.36 is: 334,390,107.65
Step by Step Solution
- Step 1: Write the proportion equation
411,840,868.44 : 568,351,497.18 = 242,306,940.36 : x - Step 2: Convert to fraction form
411,840,868.44/568,351,497.18 = 242,306,940.36/x - Step 3: Cross multiply
411,840,868.44x = 568,351,497.18 × 242,306,940.36 - Step 4: Simplify right side
411,840,868.44x = 137,715,512,330,710,960 - Step 5: Solve for x
x = 137,715,512,330,710,960/411,840,868.44 - Step 6: Final answer
x = 334,390,107.65
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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.