Finding the Fourth Proportional to 416,358,213.60, 624,089,422.80 and 157,473,400.80
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Solution
The fourth proportional to 416,358,213.60, 624,089,422.80 and 157,473,400.80 is: 236,040,699.09
Step by Step Solution
- Step 1: Write the proportion equation
416,358,213.60 : 624,089,422.80 = 157,473,400.80 : x - Step 2: Convert to fraction form
416,358,213.60/624,089,422.80 = 157,473,400.80/x - Step 3: Cross multiply
416,358,213.60x = 624,089,422.80 × 157,473,400.80 - Step 4: Simplify right side
416,358,213.60x = 98,277,483,811,625,056 - Step 5: Solve for x
x = 98,277,483,811,625,056/416,358,213.60 - Step 6: Final answer
x = 236,040,699.09
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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.