Finding the Fourth Proportional to 395,585,953.20, 593,378,929.80 and 259,350,433.20
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Solution
The fourth proportional to 395,585,953.20, 593,378,929.80 and 259,350,433.20 is: 389,025,649.80
Step by Step Solution
- Step 1: Write the proportion equation
395,585,953.20 : 593,378,929.80 = 259,350,433.20 : x - Step 2: Convert to fraction form
395,585,953.20/593,378,929.80 = 259,350,433.20/x - Step 3: Cross multiply
395,585,953.20x = 593,378,929.80 × 259,350,433.20 - Step 4: Simplify right side
395,585,953.20x = 153,893,082,495,382,368 - Step 5: Solve for x
x = 153,893,082,495,382,368/395,585,953.20 - Step 6: Final answer
x = 389,025,649.80
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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.