Finding the Fourth Proportional to 295,488,045.30, 443,232,067.95 and 198,742,163.70
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Solution
The fourth proportional to 295,488,045.30, 443,232,067.95 and 198,742,163.70 is: 298,113,245.55
Step by Step Solution
- Step 1: Write the proportion equation
295,488,045.30 : 443,232,067.95 = 198,742,163.70 : x - Step 2: Convert to fraction form
295,488,045.30/443,232,067.95 = 198,742,163.70/x - Step 3: Cross multiply
295,488,045.30x = 443,232,067.95 × 198,742,163.70 - Step 4: Simplify right side
295,488,045.30x = 88,088,900,205,608,416 - Step 5: Solve for x
x = 88,088,900,205,608,416/295,488,045.30 - Step 6: Final answer
x = 298,113,245.55
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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.