Finding the Fourth Proportional to 943,612,384.40, 1,415,418,576.60 and 535,465,696.40
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Solution
The fourth proportional to 943,612,384.40, 1,415,418,576.60 and 535,465,696.40 is: 803,198,544.60
Step by Step Solution
- Step 1: Write the proportion equation
943,612,384.40 : 1,415,418,576.60 = 535,465,696.40 : x - Step 2: Convert to fraction form
943,612,384.40/1,415,418,576.60 = 535,465,696.40/x - Step 3: Cross multiply
943,612,384.40x = 1,415,418,576.60 × 535,465,696.40 - Step 4: Simplify right side
943,612,384.40x = 757,908,093,816,615,680 - Step 5: Solve for x
x = 757,908,093,816,615,680/943,612,384.40 - Step 6: Final answer
x = 803,198,544.60
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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.