Finding the Fourth Proportional to 16,176,237,251.40, 24,264,355,877.10 and 13,418,979,625.80
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Solution
The fourth proportional to 16,176,237,251.40, 24,264,355,877.10 and 13,418,979,625.80 is: 20,128,469,438.70
Step by Step Solution
- Step 1: Write the proportion equation
16,176,237,251.40 : 24,264,355,877.10 = 13,418,979,625.80 : x - Step 2: Convert to fraction form
16,176,237,251.40/24,264,355,877.10 = 13,418,979,625.80/x - Step 3: Cross multiply
16,176,237,251.40x = 24,264,355,877.10 × 13,418,979,625.80 - Step 4: Simplify right side
16,176,237,251.40x = 325,602,897,147,965,341,696 - Step 5: Solve for x
x = 325,602,897,147,965,341,696/16,176,237,251.40 - Step 6: Final answer
x = 20,128,469,438.70
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Double scale
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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.