Finding the Fourth Proportional to 2,641,905,017,161.20, 3,963,427,917,874.80 and 804,187,401,534.30
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Solution
The fourth proportional to 2,641,905,017,161.20, 3,963,427,917,874.80 and 804,187,401,534.30 is: 1,206,454,727,834.66
Step by Step Solution
- Step 1: Write the proportion equation
2,641,905,017,161.20 : 3,963,427,917,874.80 = 804,187,401,534.30 : x - Step 2: Convert to fraction form
2,641,905,017,161.20/3,963,427,917,874.80 = 804,187,401,534.30/x - Step 3: Cross multiply
2,641,905,017,161.20x = 3,963,427,917,874.80 × 804,187,401,534.30 - Step 4: Simplify right side
2,641,905,017,161.20x = 3,187,338,798,444,236,408,619,008 - Step 5: Solve for x
x = 3,187,338,798,444,236,408,619,008/2,641,905,017,161.20 - Step 6: Final answer
x = 1,206,454,727,834.66
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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.