Finding the Fourth Proportional to 941,915,541.40, 1,413,085,953.36 and 311,646,107.09
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Solution
The fourth proportional to 941,915,541.40, 1,413,085,953.36 and 311,646,107.09 is: 467,539,516.01
Step by Step Solution
- Step 1: Write the proportion equation
941,915,541.40 : 1,413,085,953.36 = 311,646,107.09 : x - Step 2: Convert to fraction form
941,915,541.40/1,413,085,953.36 = 311,646,107.09/x - Step 3: Cross multiply
941,915,541.40x = 1,413,085,953.36 × 311,646,107.09 - Step 4: Simplify right side
941,915,541.40x = 440,382,736,344,949,568 - Step 5: Solve for x
x = 440,382,736,344,949,568/941,915,541.40 - Step 6: Final answer
x = 467,539,516.01
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Double scale
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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.