Finding the Fourth Proportional to 27,735,486,503,512, 38,275,060,810,868 and 15,403,465,570,758
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Solution
The fourth proportional to 27,735,486,503,512, 38,275,060,810,868 and 15,403,465,570,758 is: 21,256,832,157,756.45
Step by Step Solution
- Step 1: Write the proportion equation
27,735,486,503,512 : 38,275,060,810,868 = 15,403,465,570,758 : x - Step 2: Convert to fraction form
27,735,486,503,512/38,275,060,810,868 = 15,403,465,570,758/x - Step 3: Cross multiply
27,735,486,503,512x = 38,275,060,810,868 × 15,403,465,570,758 - Step 4: Simplify right side
27,735,486,503,512x = 589,568,581,418,874,020,172,922,880 - Step 5: Solve for x
x = 589,568,581,418,874,020,172,922,880/27,735,486,503,512 - Step 6: Final answer
x = 21,256,832,157,756.45
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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.