Finding the Fourth Proportional to 3,119,076,276.80, 4,678,614,415.20 and 2,506,856,244.80
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Solution
The fourth proportional to 3,119,076,276.80, 4,678,614,415.20 and 2,506,856,244.80 is: 3,760,284,367.20
Step by Step Solution
- Step 1: Write the proportion equation
3,119,076,276.80 : 4,678,614,415.20 = 2,506,856,244.80 : x - Step 2: Convert to fraction form
3,119,076,276.80/4,678,614,415.20 = 2,506,856,244.80/x - Step 3: Cross multiply
3,119,076,276.80x = 4,678,614,415.20 × 2,506,856,244.80 - Step 4: Simplify right side
3,119,076,276.80x = 11,728,613,763,755,419,648 - Step 5: Solve for x
x = 11,728,613,763,755,419,648/3,119,076,276.80 - Step 6: Final answer
x = 3,760,284,367.20
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1.5x scale
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.