Finding the Fourth Proportional to 2,820,201,392.80, 4,227,614,703.60 and 2,198,071,626.40
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Solution
The fourth proportional to 2,820,201,392.80, 4,227,614,703.60 and 2,198,071,626.40 is: 3,295,012,884.92
Step by Step Solution
- Step 1: Write the proportion equation
2,820,201,392.80 : 4,227,614,703.60 = 2,198,071,626.40 : x - Step 2: Convert to fraction form
2,820,201,392.80/4,227,614,703.60 = 2,198,071,626.40/x - Step 3: Cross multiply
2,820,201,392.80x = 4,227,614,703.60 × 2,198,071,626.40 - Step 4: Simplify right side
2,820,201,392.80x = 9,292,599,927,334,606,848 - Step 5: Solve for x
x = 9,292,599,927,334,606,848/2,820,201,392.80 - Step 6: Final answer
x = 3,295,012,884.92
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1.5x scale
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.