Finding the Fourth Proportional to 264,429,776.40, 396,644,664.60 and 160,965,430.80
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Solution
The fourth proportional to 264,429,776.40, 396,644,664.60 and 160,965,430.80 is: 241,448,146.20
Step by Step Solution
- Step 1: Write the proportion equation
264,429,776.40 : 396,644,664.60 = 160,965,430.80 : x - Step 2: Convert to fraction form
264,429,776.40/396,644,664.60 = 160,965,430.80/x - Step 3: Cross multiply
264,429,776.40x = 396,644,664.60 × 160,965,430.80 - Step 4: Simplify right side
264,429,776.40x = 63,846,079,311,860,520 - Step 5: Solve for x
x = 63,846,079,311,860,520/264,429,776.40 - Step 6: Final answer
x = 241,448,146.20
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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.