Finding the Fourth Proportional to 354,823,489.80, 532,235,234.70 and 259,272,001.80
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Solution
The fourth proportional to 354,823,489.80, 532,235,234.70 and 259,272,001.80 is: 388,908,002.70
Step by Step Solution
- Step 1: Write the proportion equation
354,823,489.80 : 532,235,234.70 = 259,272,001.80 : x - Step 2: Convert to fraction form
354,823,489.80/532,235,234.70 = 259,272,001.80/x - Step 3: Cross multiply
354,823,489.80x = 532,235,234.70 × 259,272,001.80 - Step 4: Simplify right side
354,823,489.80x = 137,993,694,729,161,824 - Step 5: Solve for x
x = 137,993,694,729,161,824/354,823,489.80 - Step 6: Final answer
x = 388,908,002.70
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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.