Finding the Fourth Proportional to 2,643,323,605.24, 3,965,437,125.42 and 1,089,765,672.88
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Solution
The fourth proportional to 2,643,323,605.24, 3,965,437,125.42 and 1,089,765,672.88 is: 1,634,834,739.37
Step by Step Solution
- Step 1: Write the proportion equation
2,643,323,605.24 : 3,965,437,125.42 = 1,089,765,672.88 : x - Step 2: Convert to fraction form
2,643,323,605.24/3,965,437,125.42 = 1,089,765,672.88/x - Step 3: Cross multiply
2,643,323,605.24x = 3,965,437,125.42 × 1,089,765,672.88 - Step 4: Simplify right side
2,643,323,605.24x = 4,321,397,257,236,745,728 - Step 5: Solve for x
x = 4,321,397,257,236,745,728/2,643,323,605.24 - Step 6: Final answer
x = 1,634,834,739.37
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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.