Finding the Fourth Proportional to 2,702,449,620.48, 4,052,891,440.98 and 811,569,507.96
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Solution
The fourth proportional to 2,702,449,620.48, 4,052,891,440.98 and 811,569,507.96 is: 1,217,119,123.20
Step by Step Solution
- Step 1: Write the proportion equation
2,702,449,620.48 : 4,052,891,440.98 = 811,569,507.96 : x - Step 2: Convert to fraction form
2,702,449,620.48/4,052,891,440.98 = 811,569,507.96/x - Step 3: Cross multiply
2,702,449,620.48x = 4,052,891,440.98 × 811,569,507.96 - Step 4: Simplify right side
2,702,449,620.48x = 3,289,203,112,571,433,984 - Step 5: Solve for x
x = 3,289,203,112,571,433,984/2,702,449,620.48 - Step 6: Final answer
x = 1,217,119,123.20
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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.