Finding the Fourth Proportional to 8,555,656,112.26, 12,824,426,539.47 and 2,877,839,536.90
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Solution
The fourth proportional to 8,555,656,112.26, 12,824,426,539.47 and 2,877,839,536.90 is: 4,313,712,618.78
Step by Step Solution
- Step 1: Write the proportion equation
8,555,656,112.26 : 12,824,426,539.47 = 2,877,839,536.90 : x - Step 2: Convert to fraction form
8,555,656,112.26/12,824,426,539.47 = 2,877,839,536.90/x - Step 3: Cross multiply
8,555,656,112.26x = 12,824,426,539.47 × 2,877,839,536.90 - Step 4: Simplify right side
8,555,656,112.26x = 36,906,641,733,356,412,928 - Step 5: Solve for x
x = 36,906,641,733,356,412,928/8,555,656,112.26 - Step 6: Final answer
x = 4,313,712,618.78
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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.