Finding the Fourth Proportional to 3,779,144,603.40, 5,668,716,905.10 and 3,398,207,694.60
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Solution
The fourth proportional to 3,779,144,603.40, 5,668,716,905.10 and 3,398,207,694.60 is: 5,097,311,541.90
Step by Step Solution
- Step 1: Write the proportion equation
3,779,144,603.40 : 5,668,716,905.10 = 3,398,207,694.60 : x - Step 2: Convert to fraction form
3,779,144,603.40/5,668,716,905.10 = 3,398,207,694.60/x - Step 3: Cross multiply
3,779,144,603.40x = 5,668,716,905.10 × 3,398,207,694.60 - Step 4: Simplify right side
3,779,144,603.40x = 19,263,477,405,419,917,312 - Step 5: Solve for x
x = 19,263,477,405,419,917,312/3,779,144,603.40 - Step 6: Final answer
x = 5,097,311,541.90
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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.