Finding the Fourth Proportional to 798,318,171.68, 1,101,667,471.82 and 445,899,174.26
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Solution
The fourth proportional to 798,318,171.68, 1,101,667,471.82 and 445,899,174.26 is: 615,334,378.47
Step by Step Solution
- Step 1: Write the proportion equation
798,318,171.68 : 1,101,667,471.82 = 445,899,174.26 : x - Step 2: Convert to fraction form
798,318,171.68/1,101,667,471.82 = 445,899,174.26/x - Step 3: Cross multiply
798,318,171.68x = 1,101,667,471.82 × 445,899,174.26 - Step 4: Simplify right side
798,318,171.68x = 491,232,615,993,639,808 - Step 5: Solve for x
x = 491,232,615,993,639,808/798,318,171.68 - Step 6: Final answer
x = 615,334,378.47
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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.