Finding the Fourth Proportional to 341,311,812.58, 470,836,777.98 and 207,314,071.06
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Solution
The fourth proportional to 341,311,812.58, 470,836,777.98 and 207,314,071.06 is: 285,988,019.31
Step by Step Solution
- Step 1: Write the proportion equation
341,311,812.58 : 470,836,777.98 = 207,314,071.06 : x - Step 2: Convert to fraction form
341,311,812.58/470,836,777.98 = 207,314,071.06/x - Step 3: Cross multiply
341,311,812.58x = 470,836,777.98 × 207,314,071.06 - Step 4: Simplify right side
341,311,812.58x = 97,611,089,247,807,168 - Step 5: Solve for x
x = 97,611,089,247,807,168/341,311,812.58 - Step 6: Final answer
x = 285,988,019.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.