Finding the Fourth Proportional to 2,492,436,605.36, 3,738,550,981.84 and 652,148,538.80
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Solution
The fourth proportional to 2,492,436,605.36, 3,738,550,981.84 and 652,148,538.80 is: 978,195,615.81
Step by Step Solution
- Step 1: Write the proportion equation
2,492,436,605.36 : 3,738,550,981.84 = 652,148,538.80 : x - Step 2: Convert to fraction form
2,492,436,605.36/3,738,550,981.84 = 652,148,538.80/x - Step 3: Cross multiply
2,492,436,605.36x = 3,738,550,981.84 × 652,148,538.80 - Step 4: Simplify right side
2,492,436,605.36x = 2,438,090,560,036,261,376 - Step 5: Solve for x
x = 2,438,090,560,036,261,376/2,492,436,605.36 - Step 6: Final answer
x = 978,195,615.81
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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.