Finding the Fourth Proportional to 846,443,216.00, 1,168,106,079.17 and 464,981,336.08
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Solution
The fourth proportional to 846,443,216.00, 1,168,106,079.17 and 464,981,336.08 is: 641,682,176.79
Step by Step Solution
- Step 1: Write the proportion equation
846,443,216.00 : 1,168,106,079.17 = 464,981,336.08 : x - Step 2: Convert to fraction form
846,443,216.00/1,168,106,079.17 = 464,981,336.08/x - Step 3: Cross multiply
846,443,216.00x = 1,168,106,079.17 × 464,981,336.08 - Step 4: Simplify right side
846,443,216.00x = 543,147,525,373,878,976 - Step 5: Solve for x
x = 543,147,525,373,878,976/846,443,216.00 - Step 6: Final answer
x = 641,682,176.79
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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.