Finding the Fourth Proportional to 734,854,427.10, 1,102,281,640.65 and 326,707,739.10
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Solution
The fourth proportional to 734,854,427.10, 1,102,281,640.65 and 326,707,739.10 is: 490,061,608.65
Step by Step Solution
- Step 1: Write the proportion equation
734,854,427.10 : 1,102,281,640.65 = 326,707,739.10 : x - Step 2: Convert to fraction form
734,854,427.10/1,102,281,640.65 = 326,707,739.10/x - Step 3: Cross multiply
734,854,427.10x = 1,102,281,640.65 × 326,707,739.10 - Step 4: Simplify right side
734,854,427.10x = 360,123,942,668,200,192 - Step 5: Solve for x
x = 360,123,942,668,200,192/734,854,427.10 - Step 6: Final answer
x = 490,061,608.65
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Double scale
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Similar ratio
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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.