Finding the Fourth Proportional to 5,392,985,416.88, 8,089,478,125.31 and 1,515,591,880.88
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Solution
The fourth proportional to 5,392,985,416.88, 8,089,478,125.31 and 1,515,591,880.88 is: 2,273,387,821.31
Step by Step Solution
- Step 1: Write the proportion equation
5,392,985,416.88 : 8,089,478,125.31 = 1,515,591,880.88 : x - Step 2: Convert to fraction form
5,392,985,416.88/8,089,478,125.31 = 1,515,591,880.88/x - Step 3: Cross multiply
5,392,985,416.88x = 8,089,478,125.31 × 1,515,591,880.88 - Step 4: Simplify right side
5,392,985,416.88x = 12,260,347,367,239,995,392 - Step 5: Solve for x
x = 12,260,347,367,239,995,392/5,392,985,416.88 - Step 6: Final answer
x = 2,273,387,821.31
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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.