Finding the Fourth Proportional to 1,203,800,811,161.10, 1,661,245,390,563.70 and 662,477,532,905.80
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Solution
The fourth proportional to 1,203,800,811,161.10, 1,661,245,390,563.70 and 662,477,532,905.80 is: 914,219,144,635.96
Step by Step Solution
- Step 1: Write the proportion equation
1,203,800,811,161.10 : 1,661,245,390,563.70 = 662,477,532,905.80 : x - Step 2: Convert to fraction form
1,203,800,811,161.10/1,661,245,390,563.70 = 662,477,532,905.80/x - Step 3: Cross multiply
1,203,800,811,161.10x = 1,661,245,390,563.70 × 662,477,532,905.80 - Step 4: Simplify right side
1,203,800,811,161.10x = 1,100,537,747,891,772,121,415,680 - Step 5: Solve for x
x = 1,100,537,747,891,772,121,415,680/1,203,800,811,161.10 - Step 6: Final answer
x = 914,219,144,635.96
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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.