Finding the Fourth Proportional to 2,984,807,792.40, 4,477,211,688.60 and 1,431,299,461.20
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Solution
The fourth proportional to 2,984,807,792.40, 4,477,211,688.60 and 1,431,299,461.20 is: 2,146,949,191.80
Step by Step Solution
- Step 1: Write the proportion equation
2,984,807,792.40 : 4,477,211,688.60 = 1,431,299,461.20 : x - Step 2: Convert to fraction form
2,984,807,792.40/4,477,211,688.60 = 1,431,299,461.20/x - Step 3: Cross multiply
2,984,807,792.40x = 4,477,211,688.60 × 1,431,299,461.20 - Step 4: Simplify right side
2,984,807,792.40x = 6,408,230,677,571,522,560 - Step 5: Solve for x
x = 6,408,230,677,571,522,560/2,984,807,792.40 - Step 6: Final answer
x = 2,146,949,191.80
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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.