Finding the Fourth Proportional to 361,392,007.10, 542,088,010.65 and 306,972,448.70
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Solution
The fourth proportional to 361,392,007.10, 542,088,010.65 and 306,972,448.70 is: 460,458,673.05
Step by Step Solution
- Step 1: Write the proportion equation
361,392,007.10 : 542,088,010.65 = 306,972,448.70 : x - Step 2: Convert to fraction form
361,392,007.10/542,088,010.65 = 306,972,448.70/x - Step 3: Cross multiply
361,392,007.10x = 542,088,010.65 × 306,972,448.70 - Step 4: Simplify right side
361,392,007.10x = 166,406,084,040,142,176 - Step 5: Solve for x
x = 166,406,084,040,142,176/361,392,007.10 - Step 6: Final answer
x = 460,458,673.05
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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.