Finding the Fourth Proportional to 845,419,107.64, 1,162,541,216.88 and 733,716,019.68
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Solution
The fourth proportional to 845,419,107.64, 1,162,541,216.88 and 733,716,019.68 is: 1,008,937,586.88
Step by Step Solution
- Step 1: Write the proportion equation
845,419,107.64 : 1,162,541,216.88 = 733,716,019.68 : x - Step 2: Convert to fraction form
845,419,107.64/1,162,541,216.88 = 733,716,019.68/x - Step 3: Cross multiply
845,419,107.64x = 1,162,541,216.88 × 733,716,019.68 - Step 4: Simplify right side
845,419,107.64x = 852,975,114,363,137,280 - Step 5: Solve for x
x = 852,975,114,363,137,280/845,419,107.64 - Step 6: Final answer
x = 1,008,937,586.88
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1.5x scale
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.