Finding the Fourth Proportional to 888,192,082.80, 1,332,288,124.20 and 873,075,538.80
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Solution
The fourth proportional to 888,192,082.80, 1,332,288,124.20 and 873,075,538.80 is: 1,309,613,308.20
Step by Step Solution
- Step 1: Write the proportion equation
888,192,082.80 : 1,332,288,124.20 = 873,075,538.80 : x - Step 2: Convert to fraction form
888,192,082.80/1,332,288,124.20 = 873,075,538.80/x - Step 3: Cross multiply
888,192,082.80x = 1,332,288,124.20 × 873,075,538.80 - Step 4: Simplify right side
888,192,082.80x = 1,163,188,171,872,756,224 - Step 5: Solve for x
x = 1,163,188,171,872,756,224/888,192,082.80 - Step 6: Final answer
x = 1,309,613,308.20
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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.