Finding the Fourth Proportional to 986,560,660.60, 1,480,171,368.84 and 322,605,299.23
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Solution
The fourth proportional to 986,560,660.60, 1,480,171,368.84 and 322,605,299.23 is: 484,015,982.42
Step by Step Solution
- Step 1: Write the proportion equation
986,560,660.60 : 1,480,171,368.84 = 322,605,299.23 : x - Step 2: Convert to fraction form
986,560,660.60/1,480,171,368.84 = 322,605,299.23/x - Step 3: Cross multiply
986,560,660.60x = 1,480,171,368.84 × 322,605,299.23 - Step 4: Simplify right side
986,560,660.60x = 477,511,127,356,306,880 - Step 5: Solve for x
x = 477,511,127,356,306,880/986,560,660.60 - Step 6: Final answer
x = 484,015,982.42
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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.