Finding the Fourth Proportional to 513,545,609.54, 769,839,181.70 and 202,655,799.96
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Solution
The fourth proportional to 513,545,609.54, 769,839,181.70 and 202,655,799.96 is: 303,794,584.77
Step by Step Solution
- Step 1: Write the proportion equation
513,545,609.54 : 769,839,181.70 = 202,655,799.96 : x - Step 2: Convert to fraction form
513,545,609.54/769,839,181.70 = 202,655,799.96/x - Step 3: Cross multiply
513,545,609.54x = 769,839,181.70 × 202,655,799.96 - Step 4: Simplify right side
513,545,609.54x = 156,012,375,206,952,032 - Step 5: Solve for x
x = 156,012,375,206,952,032/513,545,609.54 - Step 6: Final answer
x = 303,794,584.77
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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.