Finding the Fourth Proportional to 483,624,245.80, 725,436,368.70 and 120,118,601.80
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Solution
The fourth proportional to 483,624,245.80, 725,436,368.70 and 120,118,601.80 is: 180,177,902.70
Step by Step Solution
- Step 1: Write the proportion equation
483,624,245.80 : 725,436,368.70 = 120,118,601.80 : x - Step 2: Convert to fraction form
483,624,245.80/725,436,368.70 = 120,118,601.80/x - Step 3: Cross multiply
483,624,245.80x = 725,436,368.70 × 120,118,601.80 - Step 4: Simplify right side
483,624,245.80x = 87,138,402,303,113,280 - Step 5: Solve for x
x = 87,138,402,303,113,280/483,624,245.80 - Step 6: Final answer
x = 180,177,902.70
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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.