Finding the Fourth Proportional to 484,575,625.20, 726,863,437.80 and 225,704,809.20
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Solution
The fourth proportional to 484,575,625.20, 726,863,437.80 and 225,704,809.20 is: 338,557,213.80
Step by Step Solution
- Step 1: Write the proportion equation
484,575,625.20 : 726,863,437.80 = 225,704,809.20 : x - Step 2: Convert to fraction form
484,575,625.20/726,863,437.80 = 225,704,809.20/x - Step 3: Cross multiply
484,575,625.20x = 726,863,437.80 × 225,704,809.20 - Step 4: Simplify right side
484,575,625.20x = 164,056,573,543,105,056 - Step 5: Solve for x
x = 164,056,573,543,105,056/484,575,625.20 - Step 6: Final answer
x = 338,557,213.80
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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.