Finding the Fourth Proportional to 66,331,163,314.80, 99,496,744,972.20 and 29,138,796,370.80
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Solution
The fourth proportional to 66,331,163,314.80, 99,496,744,972.20 and 29,138,796,370.80 is: 43,708,194,556.20
Step by Step Solution
- Step 1: Write the proportion equation
66,331,163,314.80 : 99,496,744,972.20 = 29,138,796,370.80 : x - Step 2: Convert to fraction form
66,331,163,314.80/99,496,744,972.20 = 29,138,796,370.80/x - Step 3: Cross multiply
66,331,163,314.80x = 99,496,744,972.20 × 29,138,796,370.80 - Step 4: Simplify right side
66,331,163,314.80x = 2,899,215,391,302,354,468,864 - Step 5: Solve for x
x = 2,899,215,391,302,354,468,864/66,331,163,314.80 - Step 6: Final answer
x = 43,708,194,556.20
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1.5x scale
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.