Finding the Fourth Proportional to 305,815,511.05, 458,723,266.58 and 305,815,511.05
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Solution
The fourth proportional to 305,815,511.05, 458,723,266.58 and 305,815,511.05 is: 458,723,266.58
Step by Step Solution
- Step 1: Write the proportion equation
305,815,511.05 : 458,723,266.58 = 305,815,511.05 : x - Step 2: Convert to fraction form
305,815,511.05/458,723,266.58 = 305,815,511.05/x - Step 3: Cross multiply
305,815,511.05x = 458,723,266.58 × 305,815,511.05 - Step 4: Simplify right side
305,815,511.05x = 140,284,690,198,159,008 - Step 5: Solve for x
x = 140,284,690,198,159,008/305,815,511.05 - Step 6: Final answer
x = 458,723,266.58
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1.5x scale
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.