Finding the Fourth Proportional to 928,398,680,160.30, 1,393,234,139,450.70 and 324,023,885,449.92
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Solution
The fourth proportional to 928,398,680,160.30, 1,393,234,139,450.70 and 324,023,885,449.92 is: 486,257,842,512.60
Step by Step Solution
- Step 1: Write the proportion equation
928,398,680,160.30 : 1,393,234,139,450.70 = 324,023,885,449.92 : x - Step 2: Convert to fraction form
928,398,680,160.30/1,393,234,139,450.70 = 324,023,885,449.92/x - Step 3: Cross multiply
928,398,680,160.30x = 1,393,234,139,450.70 × 324,023,885,449.92 - Step 4: Simplify right side
928,398,680,160.30x = 451,441,139,206,291,458,097,152 - Step 5: Solve for x
x = 451,441,139,206,291,458,097,152/928,398,680,160.30 - Step 6: Final answer
x = 486,257,842,512.60
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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.