Finding the Fourth Proportional to 591,834,915.79, 816,733,772.20 and 327,535,134.73
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Solution
The fourth proportional to 591,834,915.79, 816,733,772.20 and 327,535,134.73 is: 451,999,364.99
Step by Step Solution
- Step 1: Write the proportion equation
591,834,915.79 : 816,733,772.20 = 327,535,134.73 : x - Step 2: Convert to fraction form
591,834,915.79/816,733,772.20 = 327,535,134.73/x - Step 3: Cross multiply
591,834,915.79x = 816,733,772.20 × 327,535,134.73 - Step 4: Simplify right side
591,834,915.79x = 267,509,006,116,068,160 - Step 5: Solve for x
x = 267,509,006,116,068,160/591,834,915.79 - Step 6: Final answer
x = 451,999,364.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.