Finding the Fourth Proportional to 412,451,570.68, 569,193,954.84 and 224,290,869.37
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Solution
The fourth proportional to 412,451,570.68, 569,193,954.84 and 224,290,869.37 is: 309,527,265.86
Step by Step Solution
- Step 1: Write the proportion equation
412,451,570.68 : 569,193,954.84 = 224,290,869.37 : x - Step 2: Convert to fraction form
412,451,570.68/569,193,954.84 = 224,290,869.37/x - Step 3: Cross multiply
412,451,570.68x = 569,193,954.84 × 224,290,869.37 - Step 4: Simplify right side
412,451,570.68x = 127,665,006,969,789,152 - Step 5: Solve for x
x = 127,665,006,969,789,152/412,451,570.68 - Step 6: Final answer
x = 309,527,265.86
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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.