Finding the Fourth Proportional to 664,302,477.60, 996,453,716.40 and 204,180,859.80
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Solution
The fourth proportional to 664,302,477.60, 996,453,716.40 and 204,180,859.80 is: 306,271,289.70
Step by Step Solution
- Step 1: Write the proportion equation
664,302,477.60 : 996,453,716.40 = 204,180,859.80 : x - Step 2: Convert to fraction form
664,302,477.60/996,453,716.40 = 204,180,859.80/x - Step 3: Cross multiply
664,302,477.60x = 996,453,716.40 × 204,180,859.80 - Step 4: Simplify right side
664,302,477.60x = 203,456,776,565,457,376 - Step 5: Solve for x
x = 203,456,776,565,457,376/664,302,477.60 - Step 6: Final answer
x = 306,271,289.70
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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.