Finding the Fourth Proportional to 2,135,384,431.20, 3,203,076,646.80 and 1,676,737,288.80
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Solution
The fourth proportional to 2,135,384,431.20, 3,203,076,646.80 and 1,676,737,288.80 is: 2,515,105,933.20
Step by Step Solution
- Step 1: Write the proportion equation
2,135,384,431.20 : 3,203,076,646.80 = 1,676,737,288.80 : x - Step 2: Convert to fraction form
2,135,384,431.20/3,203,076,646.80 = 1,676,737,288.80/x - Step 3: Cross multiply
2,135,384,431.20x = 3,203,076,646.80 × 1,676,737,288.80 - Step 4: Simplify right side
2,135,384,431.20x = 5,370,718,052,574,027,776 - Step 5: Solve for x
x = 5,370,718,052,574,027,776/2,135,384,431.20 - Step 6: Final answer
x = 2,515,105,933.20
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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.