Finding the Fourth Proportional to 488,889,787.70, 733,334,681.55 and 374,098,531.70
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Solution
The fourth proportional to 488,889,787.70, 733,334,681.55 and 374,098,531.70 is: 561,147,797.55
Step by Step Solution
- Step 1: Write the proportion equation
488,889,787.70 : 733,334,681.55 = 374,098,531.70 : x - Step 2: Convert to fraction form
488,889,787.70/733,334,681.55 = 374,098,531.70/x - Step 3: Cross multiply
488,889,787.70x = 733,334,681.55 × 374,098,531.70 - Step 4: Simplify right side
488,889,787.70x = 274,339,427,612,542,048 - Step 5: Solve for x
x = 274,339,427,612,542,048/488,889,787.70 - Step 6: Final answer
x = 561,147,797.55
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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.