Finding the Fourth Proportional to 3,412,371,075.62, 4,709,089,497.90 and 1,907,022,551.12
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Solution
The fourth proportional to 3,412,371,075.62, 4,709,089,497.90 and 1,907,022,551.12 is: 2,631,700,852.20
Step by Step Solution
- Step 1: Write the proportion equation
3,412,371,075.62 : 4,709,089,497.90 = 1,907,022,551.12 : x - Step 2: Convert to fraction form
3,412,371,075.62/4,709,089,497.90 = 1,907,022,551.12/x - Step 3: Cross multiply
3,412,371,075.62x = 4,709,089,497.90 × 1,907,022,551.12 - Step 4: Simplify right side
3,412,371,075.62x = 8,980,339,867,737,656,320 - Step 5: Solve for x
x = 8,980,339,867,737,656,320/3,412,371,075.62 - Step 6: Final answer
x = 2,631,700,852.20
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1.5x scale
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.