Finding the Fourth Proportional to 5,225,703,343.48, 7,211,457,988.02 and 2,846,860,828.84
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Solution
The fourth proportional to 5,225,703,343.48, 7,211,457,988.02 and 2,846,860,828.84 is: 3,928,661,065.41
Step by Step Solution
- Step 1: Write the proportion equation
5,225,703,343.48 : 7,211,457,988.02 = 2,846,860,828.84 : x - Step 2: Convert to fraction form
5,225,703,343.48/7,211,457,988.02 = 2,846,860,828.84/x - Step 3: Cross multiply
5,225,703,343.48x = 7,211,457,988.02 × 2,846,860,828.84 - Step 4: Simplify right side
5,225,703,343.48x = 20,530,017,264,919,457,792 - Step 5: Solve for x
x = 20,530,017,264,919,457,792/5,225,703,343.48 - Step 6: Final answer
x = 3,928,661,065.41
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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.