Finding the Fourth Proportional to 393,754,443.21, 590,757,840.54 and 275,702,173.92
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Solution
The fourth proportional to 393,754,443.21, 590,757,840.54 and 275,702,173.92 is: 413,641,607.62
Step by Step Solution
- Step 1: Write the proportion equation
393,754,443.21 : 590,757,840.54 = 275,702,173.92 : x - Step 2: Convert to fraction form
393,754,443.21/590,757,840.54 = 275,702,173.92/x - Step 3: Cross multiply
393,754,443.21x = 590,757,840.54 × 275,702,173.92 - Step 4: Simplify right side
393,754,443.21x = 162,873,220,897,162,720 - Step 5: Solve for x
x = 162,873,220,897,162,720/393,754,443.21 - Step 6: Final answer
x = 413,641,607.62
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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.