Finding the Fourth Proportional to 299,416,946.70, 449,125,420.05 and 169,974,540.30
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Solution
The fourth proportional to 299,416,946.70, 449,125,420.05 and 169,974,540.30 is: 254,961,810.45
Step by Step Solution
- Step 1: Write the proportion equation
299,416,946.70 : 449,125,420.05 = 169,974,540.30 : x - Step 2: Convert to fraction form
299,416,946.70/449,125,420.05 = 169,974,540.30/x - Step 3: Cross multiply
299,416,946.70x = 449,125,420.05 × 169,974,540.30 - Step 4: Simplify right side
299,416,946.70x = 76,339,886,810,043,168 - Step 5: Solve for x
x = 76,339,886,810,043,168/299,416,946.70 - Step 6: Final answer
x = 254,961,810.45
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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.