Finding the Fourth Proportional to 527,290,891.69, 791,089,915.52 and 236,089,913.19
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Solution
The fourth proportional to 527,290,891.69, 791,089,915.52 and 236,089,913.19 is: 354,203,632.99
Step by Step Solution
- Step 1: Write the proportion equation
527,290,891.69 : 791,089,915.52 = 236,089,913.19 : x - Step 2: Convert to fraction form
527,290,891.69/791,089,915.52 = 236,089,913.19/x - Step 3: Cross multiply
527,290,891.69x = 791,089,915.52 × 236,089,913.19 - Step 4: Simplify right side
527,290,891.69x = 186,768,349,480,601,216 - Step 5: Solve for x
x = 186,768,349,480,601,216/527,290,891.69 - Step 6: Final answer
x = 354,203,632.99
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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.