Finding the Fourth Proportional to 1,119,304,556.10, 1,544,631,656.76 and 617,534,486.82
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Solution
The fourth proportional to 1,119,304,556.10, 1,544,631,656.76 and 617,534,486.82 is: 852,192,830.17
Step by Step Solution
- Step 1: Write the proportion equation
1,119,304,556.10 : 1,544,631,656.76 = 617,534,486.82 : x - Step 2: Convert to fraction form
1,119,304,556.10/1,544,631,656.76 = 617,534,486.82/x - Step 3: Cross multiply
1,119,304,556.10x = 1,544,631,656.76 × 617,534,486.82 - Step 4: Simplify right side
1,119,304,556.10x = 953,863,317,483,213,056 - Step 5: Solve for x
x = 953,863,317,483,213,056/1,119,304,556.10 - Step 6: Final answer
x = 852,192,830.17
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Double scale
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1.5x scale
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.