Finding the Fourth Proportional to 393,604,780.29, 590,409,377.53 and 131,288,611.09
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Solution
The fourth proportional to 393,604,780.29, 590,409,377.53 and 131,288,611.09 is: 196,933,652.82
Step by Step Solution
- Step 1: Write the proportion equation
393,604,780.29 : 590,409,377.53 = 131,288,611.09 : x - Step 2: Convert to fraction form
393,604,780.29/590,409,377.53 = 131,288,611.09/x - Step 3: Cross multiply
393,604,780.29x = 590,409,377.53 × 131,288,611.09 - Step 4: Simplify right side
393,604,780.29x = 77,514,027,150,425,152 - Step 5: Solve for x
x = 77,514,027,150,425,152/393,604,780.29 - Step 6: Final answer
x = 196,933,652.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.