Finding the Fourth Proportional to 27,596,148,687,998, 38,080,129,512,404 and 15,263,862,329,910
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Solution
The fourth proportional to 27,596,148,687,998, 38,080,129,512,404 and 15,263,862,329,910 is: 21,062,716,430,255.80
Step by Step Solution
- Step 1: Write the proportion equation
27,596,148,687,998 : 38,080,129,512,404 = 15,263,862,329,910 : x - Step 2: Convert to fraction form
27,596,148,687,998/38,080,129,512,404 = 15,263,862,329,910/x - Step 3: Cross multiply
27,596,148,687,998x = 38,080,129,512,404 × 15,263,862,329,910 - Step 4: Simplify right side
27,596,148,687,998x = 581,249,854,382,477,470,601,314,304 - Step 5: Solve for x
x = 581,249,854,382,477,470,601,314,304/27,596,148,687,998 - Step 6: Final answer
x = 21,062,716,430,255.80
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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.