Finding the Fourth Proportional to 397,029,809.10, 595,544,713.65 and 120,680,489.10
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Solution
The fourth proportional to 397,029,809.10, 595,544,713.65 and 120,680,489.10 is: 181,020,733.65
Step by Step Solution
- Step 1: Write the proportion equation
397,029,809.10 : 595,544,713.65 = 120,680,489.10 : x - Step 2: Convert to fraction form
397,029,809.10/595,544,713.65 = 120,680,489.10/x - Step 3: Cross multiply
397,029,809.10x = 595,544,713.65 × 120,680,489.10 - Step 4: Simplify right side
397,029,809.10x = 71,870,627,324,201,440 - Step 5: Solve for x
x = 71,870,627,324,201,440/397,029,809.10 - Step 6: Final answer
x = 181,020,733.65
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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.