Finding the Fourth Proportional to 837,129,708.40, 1,255,694,562.60 and 254,859,329.20
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Solution
The fourth proportional to 837,129,708.40, 1,255,694,562.60 and 254,859,329.20 is: 382,288,993.80
Step by Step Solution
- Step 1: Write the proportion equation
837,129,708.40 : 1,255,694,562.60 = 254,859,329.20 : x - Step 2: Convert to fraction form
837,129,708.40/1,255,694,562.60 = 254,859,329.20/x - Step 3: Cross multiply
837,129,708.40x = 1,255,694,562.60 × 254,859,329.20 - Step 4: Simplify right side
837,129,708.40x = 320,025,473,904,323,392 - Step 5: Solve for x
x = 320,025,473,904,323,392/837,129,708.40 - Step 6: Final answer
x = 382,288,993.80
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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.