Finding the Fourth Proportional to 298,416,302.20, 447,624,453.30 and 177,185,351.80
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Solution
The fourth proportional to 298,416,302.20, 447,624,453.30 and 177,185,351.80 is: 265,778,027.70
Step by Step Solution
- Step 1: Write the proportion equation
298,416,302.20 : 447,624,453.30 = 177,185,351.80 : x - Step 2: Convert to fraction form
298,416,302.20/447,624,453.30 = 177,185,351.80/x - Step 3: Cross multiply
298,416,302.20x = 447,624,453.30 × 177,185,351.80 - Step 4: Simplify right side
298,416,302.20x = 79,312,496,232,243,184 - Step 5: Solve for x
x = 79,312,496,232,243,184/298,416,302.20 - Step 6: Final answer
x = 265,778,027.70
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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.