Finding the Fourth Proportional to 862,275,588.30, 1,293,413,382.45 and 248,879,825.10
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Solution
The fourth proportional to 862,275,588.30, 1,293,413,382.45 and 248,879,825.10 is: 373,319,737.65
Step by Step Solution
- Step 1: Write the proportion equation
862,275,588.30 : 1,293,413,382.45 = 248,879,825.10 : x - Step 2: Convert to fraction form
862,275,588.30/1,293,413,382.45 = 248,879,825.10/x - Step 3: Cross multiply
862,275,588.30x = 1,293,413,382.45 × 248,879,825.10 - Step 4: Simplify right side
862,275,588.30x = 321,904,496,406,155,392 - Step 5: Solve for x
x = 321,904,496,406,155,392/862,275,588.30 - Step 6: Final answer
x = 373,319,737.65
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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.