Finding the Fourth Proportional to 928,398,680,160.70, 1,393,234,139,451.40 and 324,023,885,450.38
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Solution
The fourth proportional to 928,398,680,160.70, 1,393,234,139,451.40 and 324,023,885,450.38 is: 486,257,842,513.32
Step by Step Solution
- Step 1: Write the proportion equation
928,398,680,160.70 : 1,393,234,139,451.40 = 324,023,885,450.38 : x - Step 2: Convert to fraction form
928,398,680,160.70/1,393,234,139,451.40 = 324,023,885,450.38/x - Step 3: Cross multiply
928,398,680,160.70x = 1,393,234,139,451.40 × 324,023,885,450.38 - Step 4: Simplify right side
928,398,680,160.70x = 451,441,139,207,159,175,708,672 - Step 5: Solve for x
x = 451,441,139,207,159,175,708,672/928,398,680,160.70 - Step 6: Final answer
x = 486,257,842,513.32
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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.