Finding the Fourth Proportional to 921,622,662.96, 1,382,435,324.98 and 376,364,196.96
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Solution
The fourth proportional to 921,622,662.96, 1,382,435,324.98 and 376,364,196.96 is: 564,546,838.79
Step by Step Solution
- Step 1: Write the proportion equation
921,622,662.96 : 1,382,435,324.98 = 376,364,196.96 : x - Step 2: Convert to fraction form
921,622,662.96/1,382,435,324.98 = 376,364,196.96/x - Step 3: Cross multiply
921,622,662.96x = 1,382,435,324.98 × 376,364,196.96 - Step 4: Simplify right side
921,622,662.96x = 520,299,160,935,234,304 - Step 5: Solve for x
x = 520,299,160,935,234,304/921,622,662.96 - Step 6: Final answer
x = 564,546,838.79
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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.