Finding the Fourth Proportional to 7,028,193,096.78, 10,542,243,980.49 and 1,787,756,534.70
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Solution
The fourth proportional to 7,028,193,096.78, 10,542,243,980.49 and 1,787,756,534.70 is: 2,681,623,186.36
Step by Step Solution
- Step 1: Write the proportion equation
7,028,193,096.78 : 10,542,243,980.49 = 1,787,756,534.70 : x - Step 2: Convert to fraction form
7,028,193,096.78/10,542,243,980.49 = 1,787,756,534.70/x - Step 3: Cross multiply
7,028,193,096.78x = 10,542,243,980.49 × 1,787,756,534.70 - Step 4: Simplify right side
7,028,193,096.78x = 18,846,965,566,522,736,640 - Step 5: Solve for x
x = 18,846,965,566,522,736,640/7,028,193,096.78 - Step 6: Final answer
x = 2,681,623,186.36
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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.