Finding the Fourth Proportional to 673,904,862.36, 1,010,918,983.14 and 189,227,404.44
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Solution
The fourth proportional to 673,904,862.36, 1,010,918,983.14 and 189,227,404.44 is: 283,858,428.63
Step by Step Solution
- Step 1: Write the proportion equation
673,904,862.36 : 1,010,918,983.14 = 189,227,404.44 : x - Step 2: Convert to fraction form
673,904,862.36/1,010,918,983.14 = 189,227,404.44/x - Step 3: Cross multiply
673,904,862.36x = 1,010,918,983.14 × 189,227,404.44 - Step 4: Simplify right side
673,904,862.36x = 191,293,575,278,706,304 - Step 5: Solve for x
x = 191,293,575,278,706,304/673,904,862.36 - Step 6: Final answer
x = 283,858,428.63
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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.