Finding the Fourth Proportional to 3,440,601,639.42, 5,160,887,729.70 and 953,455,463.08
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Solution
The fourth proportional to 3,440,601,639.42, 5,160,887,729.70 and 953,455,463.08 is: 1,430,179,112.82
Step by Step Solution
- Step 1: Write the proportion equation
3,440,601,639.42 : 5,160,887,729.70 = 953,455,463.08 : x - Step 2: Convert to fraction form
3,440,601,639.42/5,160,887,729.70 = 953,455,463.08/x - Step 3: Cross multiply
3,440,601,639.42x = 5,160,887,729.70 × 953,455,463.08 - Step 4: Simplify right side
3,440,601,639.42x = 4,920,676,600,225,003,520 - Step 5: Solve for x
x = 4,920,676,600,225,003,520/3,440,601,639.42 - Step 6: Final answer
x = 1,430,179,112.82
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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.