Finding the Fourth Proportional to 4,738,784,939.40, 6,539,728,780.98 and 2,624,240,883.90
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Solution
The fourth proportional to 4,738,784,939.40, 6,539,728,780.98 and 2,624,240,883.90 is: 3,621,566,257.20
Step by Step Solution
- Step 1: Write the proportion equation
4,738,784,939.40 : 6,539,728,780.98 = 2,624,240,883.90 : x - Step 2: Convert to fraction form
4,738,784,939.40/6,539,728,780.98 = 2,624,240,883.90/x - Step 3: Cross multiply
4,738,784,939.40x = 6,539,728,780.98 × 2,624,240,883.90 - Step 4: Simplify right side
4,738,784,939.40x = 17,161,823,636,665,223,168 - Step 5: Solve for x
x = 17,161,823,636,665,223,168/4,738,784,939.40 - Step 6: Final answer
x = 3,621,566,257.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.