Finding the Fourth Proportional to 3,259,291,218.42, 4,497,930,404.67 and 1,830,613,706.13
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Solution
The fourth proportional to 3,259,291,218.42, 4,497,930,404.67 and 1,830,613,706.13 is: 2,526,307,867.63
Step by Step Solution
- Step 1: Write the proportion equation
3,259,291,218.42 : 4,497,930,404.67 = 1,830,613,706.13 : x - Step 2: Convert to fraction form
3,259,291,218.42/4,497,930,404.67 = 1,830,613,706.13/x - Step 3: Cross multiply
3,259,291,218.42x = 4,497,930,404.67 × 1,830,613,706.13 - Step 4: Simplify right side
3,259,291,218.42x = 8,233,973,048,007,759,872 - Step 5: Solve for x
x = 8,233,973,048,007,759,872/3,259,291,218.42 - Step 6: Final answer
x = 2,526,307,867.63
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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.