Finding the Fourth Proportional to 426,292,421.44, 588,297,806.40 and 261,248,117.44
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Solution
The fourth proportional to 426,292,421.44, 588,297,806.40 and 261,248,117.44 is: 360,531,144.08
Step by Step Solution
- Step 1: Write the proportion equation
426,292,421.44 : 588,297,806.40 = 261,248,117.44 : x - Step 2: Convert to fraction form
426,292,421.44/588,297,806.40 = 261,248,117.44/x - Step 3: Cross multiply
426,292,421.44x = 588,297,806.40 × 261,248,117.44 - Step 4: Simplify right side
426,292,421.44x = 153,691,694,416,081,568 - Step 5: Solve for x
x = 153,691,694,416,081,568/426,292,421.44 - Step 6: Final answer
x = 360,531,144.08
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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.