Finding the Fourth Proportional to 299,416,946.20, 449,125,419.30 and 169,974,539.80
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Solution
The fourth proportional to 299,416,946.20, 449,125,419.30 and 169,974,539.80 is: 254,961,809.70
Step by Step Solution
- Step 1: Write the proportion equation
299,416,946.20 : 449,125,419.30 = 169,974,539.80 : x - Step 2: Convert to fraction form
299,416,946.20/449,125,419.30 = 169,974,539.80/x - Step 3: Cross multiply
299,416,946.20x = 449,125,419.30 × 169,974,539.80 - Step 4: Simplify right side
299,416,946.20x = 76,339,886,457,999,552 - Step 5: Solve for x
x = 76,339,886,457,999,552/299,416,946.20 - Step 6: Final answer
x = 254,961,809.70
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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.