Finding the Fourth Proportional to 954,220,294.80, 1,431,330,442.20 and 772,821,766.80
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Solution
The fourth proportional to 954,220,294.80, 1,431,330,442.20 and 772,821,766.80 is: 1,159,232,650.20
Step by Step Solution
- Step 1: Write the proportion equation
954,220,294.80 : 1,431,330,442.20 = 772,821,766.80 : x - Step 2: Convert to fraction form
954,220,294.80/1,431,330,442.20 = 772,821,766.80/x - Step 3: Cross multiply
954,220,294.80x = 1,431,330,442.20 × 772,821,766.80 - Step 4: Simplify right side
954,220,294.80x = 1,106,163,321,215,629,184 - Step 5: Solve for x
x = 1,106,163,321,215,629,184/954,220,294.80 - Step 6: Final answer
x = 1,159,232,650.20
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Similar ratio
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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.