Finding the Fourth Proportional to 1,369,201,361.97, 2,053,278,505.77 and 747,084,075.63
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Solution
The fourth proportional to 1,369,201,361.97, 2,053,278,505.77 and 747,084,075.63 is: 1,120,340,453.28
Step by Step Solution
- Step 1: Write the proportion equation
1,369,201,361.97 : 2,053,278,505.77 = 747,084,075.63 : x - Step 2: Convert to fraction form
1,369,201,361.97/2,053,278,505.77 = 747,084,075.63/x - Step 3: Cross multiply
1,369,201,361.97x = 2,053,278,505.77 × 747,084,075.63 - Step 4: Simplify right side
1,369,201,361.97x = 1,533,971,674,495,791,360 - Step 5: Solve for x
x = 1,533,971,674,495,791,360/1,369,201,361.97 - Step 6: Final answer
x = 1,120,340,453.28
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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.