Finding the Fourth Proportional to 1,439,315,635.46, 2,159,205,446.16 and 443,336,201.67
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Solution
The fourth proportional to 1,439,315,635.46, 2,159,205,446.16 and 443,336,201.67 is: 665,075,760.68
Step by Step Solution
- Step 1: Write the proportion equation
1,439,315,635.46 : 2,159,205,446.16 = 443,336,201.67 : x - Step 2: Convert to fraction form
1,439,315,635.46/2,159,205,446.16 = 443,336,201.67/x - Step 3: Cross multiply
1,439,315,635.46x = 2,159,205,446.16 × 443,336,201.67 - Step 4: Simplify right side
1,439,315,635.46x = 957,253,941,115,646,848 - Step 5: Solve for x
x = 957,253,941,115,646,848/1,439,315,635.46 - Step 6: Final answer
x = 665,075,760.68
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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.