Finding the Fourth Proportional to 2,951,446,301.19, 4,427,169,452.09 and 986,299,379.92
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Solution
The fourth proportional to 2,951,446,301.19, 4,427,169,452.09 and 986,299,379.92 is: 1,479,449,069.98
Step by Step Solution
- Step 1: Write the proportion equation
2,951,446,301.19 : 4,427,169,452.09 = 986,299,379.92 : x - Step 2: Convert to fraction form
2,951,446,301.19/4,427,169,452.09 = 986,299,379.92/x - Step 3: Cross multiply
2,951,446,301.19x = 4,427,169,452.09 × 986,299,379.92 - Step 4: Simplify right side
2,951,446,301.19x = 4,366,514,485,401,384,960 - Step 5: Solve for x
x = 4,366,514,485,401,384,960/2,951,446,301.19 - Step 6: Final answer
x = 1,479,449,069.98
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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.