Finding the Fourth Proportional to 423,533,861.24, 584,490,905.37 and 235,370,086.56
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Solution
The fourth proportional to 423,533,861.24, 584,490,905.37 and 235,370,086.56 is: 324,818,597.95
Step by Step Solution
- Step 1: Write the proportion equation
423,533,861.24 : 584,490,905.37 = 235,370,086.56 : x - Step 2: Convert to fraction form
423,533,861.24/584,490,905.37 = 235,370,086.56/x - Step 3: Cross multiply
423,533,861.24x = 584,490,905.37 × 235,370,086.56 - Step 4: Simplify right side
423,533,861.24x = 137,571,674,990,469,664 - Step 5: Solve for x
x = 137,571,674,990,469,664/423,533,861.24 - Step 6: Final answer
x = 324,818,597.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.