Finding the Fourth Proportional to 276,481,205.80, 414,721,808.70 and 204,817,589.80
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Solution
The fourth proportional to 276,481,205.80, 414,721,808.70 and 204,817,589.80 is: 307,226,384.70
Step by Step Solution
- Step 1: Write the proportion equation
276,481,205.80 : 414,721,808.70 = 204,817,589.80 : x - Step 2: Convert to fraction form
276,481,205.80/414,721,808.70 = 204,817,589.80/x - Step 3: Cross multiply
276,481,205.80x = 414,721,808.70 × 204,817,589.80 - Step 4: Simplify right side
276,481,205.80x = 84,942,321,295,430,672 - Step 5: Solve for x
x = 84,942,321,295,430,672/276,481,205.80 - Step 6: Final answer
x = 307,226,384.70
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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.