Finding the Fourth Proportional to 294,382,405.42, 406,250,406.12 and 162,228,143.62
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Solution
The fourth proportional to 294,382,405.42, 406,250,406.12 and 162,228,143.62 is: 223,876,318.75
Step by Step Solution
- Step 1: Write the proportion equation
294,382,405.42 : 406,250,406.12 = 162,228,143.62 : x - Step 2: Convert to fraction form
294,382,405.42/406,250,406.12 = 162,228,143.62/x - Step 3: Cross multiply
294,382,405.42x = 406,250,406.12 × 162,228,143.62 - Step 4: Simplify right side
294,382,405.42x = 65,905,249,229,718,688 - Step 5: Solve for x
x = 65,905,249,229,718,688/294,382,405.42 - Step 6: Final answer
x = 223,876,318.75
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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.