Finding the Fourth Proportional to 1,320,603,640.80, 1,976,202,536.40 and 1,149,954,655.20
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Solution
The fourth proportional to 1,320,603,640.80, 1,976,202,536.40 and 1,149,954,655.20 is: 1,720,836,772.02
Step by Step Solution
- Step 1: Write the proportion equation
1,320,603,640.80 : 1,976,202,536.40 = 1,149,954,655.20 : x - Step 2: Convert to fraction form
1,320,603,640.80/1,976,202,536.40 = 1,149,954,655.20/x - Step 3: Cross multiply
1,320,603,640.80x = 1,976,202,536.40 × 1,149,954,655.20 - Step 4: Simplify right side
1,320,603,640.80x = 2,272,543,306,351,227,648 - Step 5: Solve for x
x = 2,272,543,306,351,227,648/1,320,603,640.80 - Step 6: Final answer
x = 1,720,836,772.02
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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.