Finding the Fourth Proportional to 441,029,769.62, 661,562,918.10 and 130,137,375.11
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Solution
The fourth proportional to 441,029,769.62, 661,562,918.10 and 130,137,375.11 is: 195,211,451.83
Step by Step Solution
- Step 1: Write the proportion equation
441,029,769.62 : 661,562,918.10 = 130,137,375.11 : x - Step 2: Convert to fraction form
441,029,769.62/661,562,918.10 = 130,137,375.11/x - Step 3: Cross multiply
441,029,769.62x = 661,562,918.10 × 130,137,375.11 - Step 4: Simplify right side
441,029,769.62x = 86,094,061,627,687,408 - Step 5: Solve for x
x = 86,094,061,627,687,408/441,029,769.62 - Step 6: Final answer
x = 195,211,451.83
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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.