Finding the Fourth Proportional to 293,760,408.80, 440,640,613.20 and 176,859,135.20
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Solution
The fourth proportional to 293,760,408.80, 440,640,613.20 and 176,859,135.20 is: 265,288,702.80
Step by Step Solution
- Step 1: Write the proportion equation
293,760,408.80 : 440,640,613.20 = 176,859,135.20 : x - Step 2: Convert to fraction form
293,760,408.80/440,640,613.20 = 176,859,135.20/x - Step 3: Cross multiply
293,760,408.80x = 440,640,613.20 × 176,859,135.20 - Step 4: Simplify right side
293,760,408.80x = 77,931,317,784,549,696 - Step 5: Solve for x
x = 77,931,317,784,549,696/293,760,408.80 - Step 6: Final answer
x = 265,288,702.80
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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.