Finding the Fourth Proportional to 3,412,371,079.68, 4,709,089,503.49 and 1,907,022,555.19
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Solution
The fourth proportional to 3,412,371,079.68, 4,709,089,503.49 and 1,907,022,555.19 is: 2,631,700,857.81
Step by Step Solution
- Step 1: Write the proportion equation
3,412,371,079.68 : 4,709,089,503.49 = 1,907,022,555.19 : x - Step 2: Convert to fraction form
3,412,371,079.68/4,709,089,503.49 = 1,907,022,555.19/x - Step 3: Cross multiply
3,412,371,079.68x = 4,709,089,503.49 × 1,907,022,555.19 - Step 4: Simplify right side
3,412,371,079.68x = 8,980,339,897,563,908,096 - Step 5: Solve for x
x = 8,980,339,897,563,908,096/3,412,371,079.68 - Step 6: Final answer
x = 2,631,700,857.81
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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.