Finding the Fourth Proportional to 5,471,273,779.28, 7,554,064,177.20 and 3,465,888,514.10
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Solution
The fourth proportional to 5,471,273,779.28, 7,554,064,177.20 and 3,465,888,514.10 is: 4,785,274,018.94
Step by Step Solution
- Step 1: Write the proportion equation
5,471,273,779.28 : 7,554,064,177.20 = 3,465,888,514.10 : x - Step 2: Convert to fraction form
5,471,273,779.28/7,554,064,177.20 = 3,465,888,514.10/x - Step 3: Cross multiply
5,471,273,779.28x = 7,554,064,177.20 × 3,465,888,514.10 - Step 4: Simplify right side
5,471,273,779.28x = 26,181,544,266,493,976,576 - Step 5: Solve for x
x = 26,181,544,266,493,976,576/5,471,273,779.28 - Step 6: Final answer
x = 4,785,274,018.94
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1.5x scale
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.