Finding the Fourth Proportional to 590,438,617.60, 886,161,811.20 and 263,417,382.40
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Solution
The fourth proportional to 590,438,617.60, 886,161,811.20 and 263,417,382.40 is: 395,350,875.99
Step by Step Solution
- Step 1: Write the proportion equation
590,438,617.60 : 886,161,811.20 = 263,417,382.40 : x - Step 2: Convert to fraction form
590,438,617.60/886,161,811.20 = 263,417,382.40/x - Step 3: Cross multiply
590,438,617.60x = 886,161,811.20 × 263,417,382.40 - Step 4: Simplify right side
590,438,617.60x = 233,430,424,689,147,008 - Step 5: Solve for x
x = 233,430,424,689,147,008/590,438,617.60 - Step 6: Final answer
x = 395,350,875.99
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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.