Finding the Fourth Proportional to 2,912,266,185.80, 4,368,399,278.70 and 1,073,338,608.20
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Solution
The fourth proportional to 2,912,266,185.80, 4,368,399,278.70 and 1,073,338,608.20 is: 1,610,007,912.30
Step by Step Solution
- Step 1: Write the proportion equation
2,912,266,185.80 : 4,368,399,278.70 = 1,073,338,608.20 : x - Step 2: Convert to fraction form
2,912,266,185.80/4,368,399,278.70 = 1,073,338,608.20/x - Step 3: Cross multiply
2,912,266,185.80x = 4,368,399,278.70 × 1,073,338,608.20 - Step 4: Simplify right side
2,912,266,185.80x = 4,688,771,601,861,741,568 - Step 5: Solve for x
x = 4,688,771,601,861,741,568/2,912,266,185.80 - Step 6: Final answer
x = 1,610,007,912.30
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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.