Finding the Fourth Proportional to 1,009,324,052.97, 1,392,809,079.87 and 563,252,406.60
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Solution
The fourth proportional to 1,009,324,052.97, 1,392,809,079.87 and 563,252,406.60 is: 777,255,891.07
Step by Step Solution
- Step 1: Write the proportion equation
1,009,324,052.97 : 1,392,809,079.87 = 563,252,406.60 : x - Step 2: Convert to fraction form
1,009,324,052.97/1,392,809,079.87 = 563,252,406.60/x - Step 3: Cross multiply
1,009,324,052.97x = 1,392,809,079.87 × 563,252,406.60 - Step 4: Simplify right side
1,009,324,052.97x = 784,503,066,171,109,120 - Step 5: Solve for x
x = 784,503,066,171,109,120/1,009,324,052.97 - Step 6: Final answer
x = 777,255,891.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.