Finding the Fourth Proportional to 889,070,436.96, 1,332,893,524.50 and 422,497,715.91
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Solution
The fourth proportional to 889,070,436.96, 1,332,893,524.50 and 422,497,715.91 is: 633,408,160.08
Step by Step Solution
- Step 1: Write the proportion equation
889,070,436.96 : 1,332,893,524.50 = 422,497,715.91 : x - Step 2: Convert to fraction form
889,070,436.96/1,332,893,524.50 = 422,497,715.91/x - Step 3: Cross multiply
889,070,436.96x = 1,332,893,524.50 × 422,497,715.91 - Step 4: Simplify right side
889,070,436.96x = 563,144,469,652,479,680 - Step 5: Solve for x
x = 563,144,469,652,479,680/889,070,436.96 - Step 6: Final answer
x = 633,408,160.08
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1.5x scale
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.