Finding the Fourth Proportional to 1,567,263,722.90, 2,351,235,706.79 and 476,718,447.38
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Solution
The fourth proportional to 1,567,263,722.90, 2,351,235,706.79 and 476,718,447.38 is: 715,181,126.94
Step by Step Solution
- Step 1: Write the proportion equation
1,567,263,722.90 : 2,351,235,706.79 = 476,718,447.38 : x - Step 2: Convert to fraction form
1,567,263,722.90/2,351,235,706.79 = 476,718,447.38/x - Step 3: Cross multiply
1,567,263,722.90x = 2,351,235,706.79 × 476,718,447.38 - Step 4: Simplify right side
1,567,263,722.90x = 1,120,877,435,551,205,888 - Step 5: Solve for x
x = 1,120,877,435,551,205,888/1,567,263,722.90 - Step 6: Final answer
x = 715,181,126.94
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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.