Finding the Fourth Proportional to 1,416,204,026.40, 2,124,306,039.60 and 1,325,504,762.40
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Solution
The fourth proportional to 1,416,204,026.40, 2,124,306,039.60 and 1,325,504,762.40 is: 1,988,257,143.60
Step by Step Solution
- Step 1: Write the proportion equation
1,416,204,026.40 : 2,124,306,039.60 = 1,325,504,762.40 : x - Step 2: Convert to fraction form
1,416,204,026.40/2,124,306,039.60 = 1,325,504,762.40/x - Step 3: Cross multiply
1,416,204,026.40x = 2,124,306,039.60 × 1,325,504,762.40 - Step 4: Simplify right side
1,416,204,026.40x = 2,815,777,772,284,882,944 - Step 5: Solve for x
x = 2,815,777,772,284,882,944/1,416,204,026.40 - Step 6: Final answer
x = 1,988,257,143.60
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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.