Finding the Fourth Proportional to 264,813,476.26, 397,465,655.28 and 133,747,794.21
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Solution
The fourth proportional to 264,813,476.26, 397,465,655.28 and 133,747,794.21 is: 200,745,654.70
Step by Step Solution
- Step 1: Write the proportion equation
264,813,476.26 : 397,465,655.28 = 133,747,794.21 : x - Step 2: Convert to fraction form
264,813,476.26/397,465,655.28 = 133,747,794.21/x - Step 3: Cross multiply
264,813,476.26x = 397,465,655.28 × 133,747,794.21 - Step 4: Simplify right side
264,813,476.26x = 53,160,154,665,944,904 - Step 5: Solve for x
x = 53,160,154,665,944,904/264,813,476.26 - Step 6: Final answer
x = 200,745,654.70
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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.