Finding the Fourth Proportional to 629,792,348.18, 869,286,306.11 and 365,559,468.80
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Solution
The fourth proportional to 629,792,348.18, 869,286,306.11 and 365,559,468.80 is: 504,572,405.83
Step by Step Solution
- Step 1: Write the proportion equation
629,792,348.18 : 869,286,306.11 = 365,559,468.80 : x - Step 2: Convert to fraction form
629,792,348.18/869,286,306.11 = 365,559,468.80/x - Step 3: Cross multiply
629,792,348.18x = 869,286,306.11 × 365,559,468.80 - Step 4: Simplify right side
629,792,348.18x = 317,775,840,290,526,208 - Step 5: Solve for x
x = 317,775,840,290,526,208/629,792,348.18 - Step 6: Final answer
x = 504,572,405.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.