Finding the Fourth Proportional to 299,384,324.10, 449,076,486.15 and 146,128,695.30
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Solution
The fourth proportional to 299,384,324.10, 449,076,486.15 and 146,128,695.30 is: 219,193,042.95
Step by Step Solution
- Step 1: Write the proportion equation
299,384,324.10 : 449,076,486.15 = 146,128,695.30 : x - Step 2: Convert to fraction form
299,384,324.10/449,076,486.15 = 146,128,695.30/x - Step 3: Cross multiply
299,384,324.10x = 449,076,486.15 × 146,128,695.30 - Step 4: Simplify right side
299,384,324.10x = 65,622,961,011,008,024 - Step 5: Solve for x
x = 65,622,961,011,008,024/299,384,324.10 - Step 6: Final answer
x = 219,193,042.95
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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.