Finding the Fourth Proportional to 299,440,272.30, 449,160,408.45 and 255,602,294.70
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Solution
The fourth proportional to 299,440,272.30, 449,160,408.45 and 255,602,294.70 is: 383,403,442.05
Step by Step Solution
- Step 1: Write the proportion equation
299,440,272.30 : 449,160,408.45 = 255,602,294.70 : x - Step 2: Convert to fraction form
299,440,272.30/449,160,408.45 = 255,602,294.70/x - Step 3: Cross multiply
299,440,272.30x = 449,160,408.45 × 255,602,294.70 - Step 4: Simplify right side
299,440,272.30x = 114,806,431,088,209,264 - Step 5: Solve for x
x = 114,806,431,088,209,264/299,440,272.30 - Step 6: Final answer
x = 383,403,442.05
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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.