Finding the Fourth Proportional to 351,844,514.24, 485,545,503.20 and 195,211,247.54
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Solution
The fourth proportional to 351,844,514.24, 485,545,503.20 and 195,211,247.54 is: 269,391,562.41
Step by Step Solution
- Step 1: Write the proportion equation
351,844,514.24 : 485,545,503.20 = 195,211,247.54 : x - Step 2: Convert to fraction form
351,844,514.24/485,545,503.20 = 195,211,247.54/x - Step 3: Cross multiply
351,844,514.24x = 485,545,503.20 × 195,211,247.54 - Step 4: Simplify right side
351,844,514.24x = 94,783,943,413,705,280 - Step 5: Solve for x
x = 94,783,943,413,705,280/351,844,514.24 - Step 6: Final answer
x = 269,391,562.41
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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.