Finding the Fourth Proportional to 739,675,768.80, 1,107,390,286.80 and 718,442,104.80
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Solution
The fourth proportional to 739,675,768.80, 1,107,390,286.80 and 718,442,104.80 is: 1,075,600,745.68
Step by Step Solution
- Step 1: Write the proportion equation
739,675,768.80 : 1,107,390,286.80 = 718,442,104.80 : x - Step 2: Convert to fraction form
739,675,768.80/1,107,390,286.80 = 718,442,104.80/x - Step 3: Cross multiply
739,675,768.80x = 1,107,390,286.80 × 718,442,104.80 - Step 4: Simplify right side
739,675,768.80x = 795,595,808,483,667,584 - Step 5: Solve for x
x = 795,595,808,483,667,584/739,675,768.80 - Step 6: Final answer
x = 1,075,600,745.68
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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.