Finding the Fourth Proportional to 7,028,193,096.28, 10,542,243,979.74 and 1,787,756,534.20
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Solution
The fourth proportional to 7,028,193,096.28, 10,542,243,979.74 and 1,787,756,534.20 is: 2,681,623,185.61
Step by Step Solution
- Step 1: Write the proportion equation
7,028,193,096.28 : 10,542,243,979.74 = 1,787,756,534.20 : x - Step 2: Convert to fraction form
7,028,193,096.28/10,542,243,979.74 = 1,787,756,534.20/x - Step 3: Cross multiply
7,028,193,096.28x = 10,542,243,979.74 × 1,787,756,534.20 - Step 4: Simplify right side
7,028,193,096.28x = 18,846,965,559,910,797,312 - Step 5: Solve for x
x = 18,846,965,559,910,797,312/7,028,193,096.28 - Step 6: Final answer
x = 2,681,623,185.61
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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.