Finding the Fourth Proportional to 3,744,642,721.62, 5,165,118,133.59 and 2,408,223,388.80
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Solution
The fourth proportional to 3,744,642,721.62, 5,165,118,133.59 and 2,408,223,388.80 is: 3,321,747,685.94
Step by Step Solution
- Step 1: Write the proportion equation
3,744,642,721.62 : 5,165,118,133.59 = 2,408,223,388.80 : x - Step 2: Convert to fraction form
3,744,642,721.62/5,165,118,133.59 = 2,408,223,388.80/x - Step 3: Cross multiply
3,744,642,721.62x = 5,165,118,133.59 × 2,408,223,388.80 - Step 4: Simplify right side
3,744,642,721.62x = 12,438,758,295,226,441,728 - Step 5: Solve for x
x = 12,438,758,295,226,441,728/3,744,642,721.62 - Step 6: Final answer
x = 3,321,747,685.94
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1.5x scale
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.