Finding the Fourth Proportional to 416,448,086.10, 624,672,129.15 and 212,374,742.10
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Solution
The fourth proportional to 416,448,086.10, 624,672,129.15 and 212,374,742.10 is: 318,562,113.15
Step by Step Solution
- Step 1: Write the proportion equation
416,448,086.10 : 624,672,129.15 = 212,374,742.10 : x - Step 2: Convert to fraction form
416,448,086.10/624,672,129.15 = 212,374,742.10/x - Step 3: Cross multiply
416,448,086.10x = 624,672,129.15 × 212,374,742.10 - Step 4: Simplify right side
416,448,086.10x = 132,664,582,325,289,136 - Step 5: Solve for x
x = 132,664,582,325,289,136/416,448,086.10 - Step 6: Final answer
x = 318,562,113.15
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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.