Finding the Fourth Proportional to 299,440,414.80, 449,160,622.20 and 255,602,437.20
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Solution
The fourth proportional to 299,440,414.80, 449,160,622.20 and 255,602,437.20 is: 383,403,655.80
Step by Step Solution
- Step 1: Write the proportion equation
299,440,414.80 : 449,160,622.20 = 255,602,437.20 : x - Step 2: Convert to fraction form
299,440,414.80/449,160,622.20 = 255,602,437.20/x - Step 3: Cross multiply
299,440,414.80x = 449,160,622.20 × 255,602,437.20 - Step 4: Simplify right side
299,440,414.80x = 114,806,549,728,588,416 - Step 5: Solve for x
x = 114,806,549,728,588,416/299,440,414.80 - Step 6: Final answer
x = 383,403,655.80
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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.