Finding the Fourth Proportional to 1,548,395,229.80, 2,322,592,844.70 and 686,752,221.80
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Solution
The fourth proportional to 1,548,395,229.80, 2,322,592,844.70 and 686,752,221.80 is: 1,030,128,332.70
Step by Step Solution
- Step 1: Write the proportion equation
1,548,395,229.80 : 2,322,592,844.70 = 686,752,221.80 : x - Step 2: Convert to fraction form
1,548,395,229.80/2,322,592,844.70 = 686,752,221.80/x - Step 3: Cross multiply
1,548,395,229.80x = 2,322,592,844.70 × 686,752,221.80 - Step 4: Simplify right side
1,548,395,229.80x = 1,595,045,796,434,507,008 - Step 5: Solve for x
x = 1,595,045,796,434,507,008/1,548,395,229.80 - Step 6: Final answer
x = 1,030,128,332.70
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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.