Finding the Fourth Proportional to 478,529,229.12, 717,793,596.96 and 151,037,569.92
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Solution
The fourth proportional to 478,529,229.12, 717,793,596.96 and 151,037,569.92 is: 226,556,277.01
Step by Step Solution
- Step 1: Write the proportion equation
478,529,229.12 : 717,793,596.96 = 151,037,569.92 : x - Step 2: Convert to fraction form
478,529,229.12/717,793,596.96 = 151,037,569.92/x - Step 3: Cross multiply
478,529,229.12x = 717,793,596.96 × 151,037,569.92 - Step 4: Simplify right side
478,529,229.12x = 108,413,800,588,974,288 - Step 5: Solve for x
x = 108,413,800,588,974,288/478,529,229.12 - Step 6: Final answer
x = 226,556,277.01
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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.