Finding the Fourth Proportional to 957,371,220.97, 1,436,493,170.17 and 491,359,897.91
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Solution
The fourth proportional to 957,371,220.97, 1,436,493,170.17 and 491,359,897.91 is: 737,263,792.75
Step by Step Solution
- Step 1: Write the proportion equation
957,371,220.97 : 1,436,493,170.17 = 491,359,897.91 : x - Step 2: Convert to fraction form
957,371,220.97/1,436,493,170.17 = 491,359,897.91/x - Step 3: Cross multiply
957,371,220.97x = 1,436,493,170.17 × 491,359,897.91 - Step 4: Simplify right side
957,371,220.97x = 705,835,137,443,143,552 - Step 5: Solve for x
x = 705,835,137,443,143,552/957,371,220.97 - Step 6: Final answer
x = 737,263,792.75
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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.