Finding the Fourth Proportional to 410,454,299.26, 616,663,660.19 and 263,190,382.51
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Solution
The fourth proportional to 410,454,299.26, 616,663,660.19 and 263,190,382.51 is: 395,415,384.61
Step by Step Solution
- Step 1: Write the proportion equation
410,454,299.26 : 616,663,660.19 = 263,190,382.51 : x - Step 2: Convert to fraction form
410,454,299.26/616,663,660.19 = 263,190,382.51/x - Step 3: Cross multiply
410,454,299.26x = 616,663,660.19 × 263,190,382.51 - Step 4: Simplify right side
410,454,299.26x = 162,299,944,604,027,168 - Step 5: Solve for x
x = 162,299,944,604,027,168/410,454,299.26 - Step 6: Final answer
x = 395,415,384.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.