Finding the Fourth Proportional to 7,421,338,175.68, 11,137,318,351.71 and 2,699,650,965.79
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Solution
The fourth proportional to 7,421,338,175.68, 11,137,318,351.71 and 2,699,650,965.79 is: 4,051,408,456.64
Step by Step Solution
- Step 1: Write the proportion equation
7,421,338,175.68 : 11,137,318,351.71 = 2,699,650,965.79 : x - Step 2: Convert to fraction form
7,421,338,175.68/11,137,318,351.71 = 2,699,650,965.79/x - Step 3: Cross multiply
7,421,338,175.68x = 11,137,318,351.71 × 2,699,650,965.79 - Step 4: Simplify right side
7,421,338,175.68x = 30,066,872,244,504,588,288 - Step 5: Solve for x
x = 30,066,872,244,504,588,288/7,421,338,175.68 - Step 6: Final answer
x = 4,051,408,456.64
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1.5x scale
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.