Finding the Fourth Proportional to 804,818,488.40, 1,207,227,732.60 and 659,416,230.80
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Solution
The fourth proportional to 804,818,488.40, 1,207,227,732.60 and 659,416,230.80 is: 989,124,346.20
Step by Step Solution
- Step 1: Write the proportion equation
804,818,488.40 : 1,207,227,732.60 = 659,416,230.80 : x - Step 2: Convert to fraction form
804,818,488.40/1,207,227,732.60 = 659,416,230.80/x - Step 3: Cross multiply
804,818,488.40x = 1,207,227,732.60 × 659,416,230.80 - Step 4: Simplify right side
804,818,488.40x = 796,065,561,148,322,176 - Step 5: Solve for x
x = 796,065,561,148,322,176/804,818,488.40 - Step 6: Final answer
x = 989,124,346.20
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Similar ratio
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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.