Finding the Fourth Proportional to 393,604,779.29, 590,409,376.03 and 131,288,610.09
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Solution
The fourth proportional to 393,604,779.29, 590,409,376.03 and 131,288,610.09 is: 196,933,651.32
Step by Step Solution
- Step 1: Write the proportion equation
393,604,779.29 : 590,409,376.03 = 131,288,610.09 : x - Step 2: Convert to fraction form
393,604,779.29/590,409,376.03 = 131,288,610.09/x - Step 3: Cross multiply
393,604,779.29x = 590,409,376.03 × 131,288,610.09 - Step 4: Simplify right side
393,604,779.29x = 77,514,026,363,082,864 - Step 5: Solve for x
x = 77,514,026,363,082,864/393,604,779.29 - Step 6: Final answer
x = 196,933,651.32
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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.