Finding the Fourth Proportional to 355,286,277.80, 533,825,211.90 and 225,955,845.80
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Solution
The fourth proportional to 355,286,277.80, 533,825,211.90 and 225,955,845.80 is: 339,503,478.75
Step by Step Solution
- Step 1: Write the proportion equation
355,286,277.80 : 533,825,211.90 = 225,955,845.80 : x - Step 2: Convert to fraction form
355,286,277.80/533,825,211.90 = 225,955,845.80/x - Step 3: Cross multiply
355,286,277.80x = 533,825,211.90 × 225,955,845.80 - Step 4: Simplify right side
355,286,277.80x = 120,620,927,264,228,720 - Step 5: Solve for x
x = 120,620,927,264,228,720/355,286,277.80 - Step 6: Final answer
x = 339,503,478.75
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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.