Finding the Fourth Proportional to 957,751,519.26, 1,321,735,539.60 and 534,402,158.70
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Solution
The fourth proportional to 957,751,519.26, 1,321,735,539.60 and 534,402,158.70 is: 737,496,429.28
Step by Step Solution
- Step 1: Write the proportion equation
957,751,519.26 : 1,321,735,539.60 = 534,402,158.70 : x - Step 2: Convert to fraction form
957,751,519.26/1,321,735,539.60 = 534,402,158.70/x - Step 3: Cross multiply
957,751,519.26x = 1,321,735,539.60 × 534,402,158.70 - Step 4: Simplify right side
957,751,519.26x = 706,338,325,592,749,312 - Step 5: Solve for x
x = 706,338,325,592,749,312/957,751,519.26 - Step 6: Final answer
x = 737,496,429.28
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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.