Finding the Fourth Proportional to 1,578,136,033.62, 2,178,135,767.97 and 951,706,450.26
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Solution
The fourth proportional to 1,578,136,033.62, 2,178,135,767.97 and 951,706,450.26 is: 1,313,540,668.08
Step by Step Solution
- Step 1: Write the proportion equation
1,578,136,033.62 : 2,178,135,767.97 = 951,706,450.26 : x - Step 2: Convert to fraction form
1,578,136,033.62/2,178,135,767.97 = 951,706,450.26/x - Step 3: Cross multiply
1,578,136,033.62x = 2,178,135,767.97 × 951,706,450.26 - Step 4: Simplify right side
1,578,136,033.62x = 2,072,945,859,919,067,392 - Step 5: Solve for x
x = 2,072,945,859,919,067,392/1,578,136,033.62 - Step 6: Final answer
x = 1,313,540,668.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.