Finding the Fourth Proportional to 2,659,392,701.70, 3,989,089,052.55 and 1,208,204,477.70
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Solution
The fourth proportional to 2,659,392,701.70, 3,989,089,052.55 and 1,208,204,477.70 is: 1,812,306,716.55
Step by Step Solution
- Step 1: Write the proportion equation
2,659,392,701.70 : 3,989,089,052.55 = 1,208,204,477.70 : x - Step 2: Convert to fraction form
2,659,392,701.70/3,989,089,052.55 = 1,208,204,477.70/x - Step 3: Cross multiply
2,659,392,701.70x = 3,989,089,052.55 × 1,208,204,477.70 - Step 4: Simplify right side
2,659,392,701.70x = 4,819,635,255,234,961,408 - Step 5: Solve for x
x = 4,819,635,255,234,961,408/2,659,392,701.70 - Step 6: Final answer
x = 1,812,306,716.55
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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.