Finding the Fourth Proportional to 8,122,894,195.91, 11,205,468,519.95 and 5,305,151,498.63
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Solution
The fourth proportional to 8,122,894,195.91, 11,205,468,519.95 and 5,305,151,498.63 is: 7,318,414,678.03
Step by Step Solution
- Step 1: Write the proportion equation
8,122,894,195.91 : 11,205,468,519.95 = 5,305,151,498.63 : x - Step 2: Convert to fraction form
8,122,894,195.91/11,205,468,519.95 = 5,305,151,498.63/x - Step 3: Cross multiply
8,122,894,195.91x = 11,205,468,519.95 × 5,305,151,498.63 - Step 4: Simplify right side
8,122,894,195.91x = 59,446,708,111,418,613,760 - Step 5: Solve for x
x = 59,446,708,111,418,613,760/8,122,894,195.91 - Step 6: Final answer
x = 7,318,414,678.03
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1.5x scale
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.