Finding the Fourth Proportional to 8,542,075,533.84, 12,808,442,338.85 and 6,782,747,639.00
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Solution
The fourth proportional to 8,542,075,533.84, 12,808,442,338.85 and 6,782,747,639.00 is: 10,170,412,529.00
Step by Step Solution
- Step 1: Write the proportion equation
8,542,075,533.84 : 12,808,442,338.85 = 6,782,747,639.00 : x - Step 2: Convert to fraction form
8,542,075,533.84/12,808,442,338.85 = 6,782,747,639.00/x - Step 3: Cross multiply
8,542,075,533.84x = 12,808,442,338.85 × 6,782,747,639.00 - Step 4: Simplify right side
8,542,075,533.84x = 86,876,432,033,004,519,424 - Step 5: Solve for x
x = 86,876,432,033,004,519,424/8,542,075,533.84 - Step 6: Final answer
x = 10,170,412,529.00
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1.5x scale
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.