Finding the Fourth Proportional to 4,992,248,198.80, 7,488,372,298.20 and 3,541,059,974.80
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Solution
The fourth proportional to 4,992,248,198.80, 7,488,372,298.20 and 3,541,059,974.80 is: 5,311,589,962.20
Step by Step Solution
- Step 1: Write the proportion equation
4,992,248,198.80 : 7,488,372,298.20 = 3,541,059,974.80 : x - Step 2: Convert to fraction form
4,992,248,198.80/7,488,372,298.20 = 3,541,059,974.80/x - Step 3: Cross multiply
4,992,248,198.80x = 7,488,372,298.20 × 3,541,059,974.80 - Step 4: Simplify right side
4,992,248,198.80x = 26,516,775,421,557,112,832 - Step 5: Solve for x
x = 26,516,775,421,557,112,832/4,992,248,198.80 - Step 6: Final answer
x = 5,311,589,962.20
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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.