Finding the Fourth Proportional to 6,389,971,563.08, 8,819,036,754.46 and 3,677,183,615.54
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Solution
The fourth proportional to 6,389,971,563.08, 8,819,036,754.46 and 3,677,183,615.54 is: 5,075,017,492.36
Step by Step Solution
- Step 1: Write the proportion equation
6,389,971,563.08 : 8,819,036,754.46 = 3,677,183,615.54 : x - Step 2: Convert to fraction form
6,389,971,563.08/8,819,036,754.46 = 3,677,183,615.54/x - Step 3: Cross multiply
6,389,971,563.08x = 8,819,036,754.46 × 3,677,183,615.54 - Step 4: Simplify right side
6,389,971,563.08x = 32,429,217,458,345,365,504 - Step 5: Solve for x
x = 32,429,217,458,345,365,504/6,389,971,563.08 - Step 6: Final answer
x = 5,075,017,492.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.