Finding the Fourth Proportional to 439,082,810.40, 658,624,215.60 and 115,966,682.40
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Solution
The fourth proportional to 439,082,810.40, 658,624,215.60 and 115,966,682.40 is: 173,950,023.60
Step by Step Solution
- Step 1: Write the proportion equation
439,082,810.40 : 658,624,215.60 = 115,966,682.40 : x - Step 2: Convert to fraction form
439,082,810.40/658,624,215.60 = 115,966,682.40/x - Step 3: Cross multiply
439,082,810.40x = 658,624,215.60 × 115,966,682.40 - Step 4: Simplify right side
439,082,810.40x = 76,378,465,231,434,336 - Step 5: Solve for x
x = 76,378,465,231,434,336/439,082,810.40 - Step 6: Final answer
x = 173,950,023.60
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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.