Finding the Fourth Proportional to 299,384,443.80, 449,076,665.70 and 276,989,563.80
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Solution
The fourth proportional to 299,384,443.80, 449,076,665.70 and 276,989,563.80 is: 415,484,345.70
Step by Step Solution
- Step 1: Write the proportion equation
299,384,443.80 : 449,076,665.70 = 276,989,563.80 : x - Step 2: Convert to fraction form
299,384,443.80/449,076,665.70 = 276,989,563.80/x - Step 3: Cross multiply
299,384,443.80x = 449,076,665.70 × 276,989,563.80 - Step 4: Simplify right side
299,384,443.80x = 124,389,549,745,001,424 - Step 5: Solve for x
x = 124,389,549,745,001,424/299,384,443.80 - Step 6: Final answer
x = 415,484,345.70
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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.