Finding the Fourth Proportional to 397,029,758.60, 595,544,637.90 and 120,680,438.60
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Solution
The fourth proportional to 397,029,758.60, 595,544,637.90 and 120,680,438.60 is: 181,020,657.90
Step by Step Solution
- Step 1: Write the proportion equation
397,029,758.60 : 595,544,637.90 = 120,680,438.60 : x - Step 2: Convert to fraction form
397,029,758.60/595,544,637.90 = 120,680,438.60/x - Step 3: Cross multiply
397,029,758.60x = 595,544,637.90 × 120,680,438.60 - Step 4: Simplify right side
397,029,758.60x = 71,870,588,107,650,176 - Step 5: Solve for x
x = 71,870,588,107,650,176/397,029,758.60 - Step 6: Final answer
x = 181,020,657.90
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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.