Finding the Fourth Proportional to 2,820,201,394.80, 4,227,614,706.60 and 2,198,071,628.40
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Solution
The fourth proportional to 2,820,201,394.80, 4,227,614,706.60 and 2,198,071,628.40 is: 3,295,012,887.92
Step by Step Solution
- Step 1: Write the proportion equation
2,820,201,394.80 : 4,227,614,706.60 = 2,198,071,628.40 : x - Step 2: Convert to fraction form
2,820,201,394.80/4,227,614,706.60 = 2,198,071,628.40/x - Step 3: Cross multiply
2,820,201,394.80x = 4,227,614,706.60 × 2,198,071,628.40 - Step 4: Simplify right side
2,820,201,394.80x = 9,292,599,942,384,050,176 - Step 5: Solve for x
x = 9,292,599,942,384,050,176/2,820,201,394.80 - Step 6: Final answer
x = 3,295,012,887.92
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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.