Finding the Fourth Proportional to 614,252,366.60, 843,156,163.81 and 543,078,638.60
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Solution
The fourth proportional to 614,252,366.60, 843,156,163.81 and 543,078,638.60 is: 745,459,238.69
Step by Step Solution
- Step 1: Write the proportion equation
614,252,366.60 : 843,156,163.81 = 543,078,638.60 : x - Step 2: Convert to fraction form
614,252,366.60/843,156,163.81 = 543,078,638.60/x - Step 3: Cross multiply
614,252,366.60x = 843,156,163.81 × 543,078,638.60 - Step 4: Simplify right side
614,252,366.60x = 457,900,101,569,133,376 - Step 5: Solve for x
x = 457,900,101,569,133,376/614,252,366.60 - Step 6: Final answer
x = 745,459,238.69
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.