Finding the Fourth Proportional to 13,981,396,757.99, 19,298,925,582.14 and 11,128,771,600.79
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Solution
The fourth proportional to 13,981,396,757.99, 19,298,925,582.14 and 11,128,771,600.79 is: 15,361,364,723.56
Step by Step Solution
- Step 1: Write the proportion equation
13,981,396,757.99 : 19,298,925,582.14 = 11,128,771,600.79 : x - Step 2: Convert to fraction form
13,981,396,757.99/19,298,925,582.14 = 11,128,771,600.79/x - Step 3: Cross multiply
13,981,396,757.99x = 19,298,925,582.14 × 11,128,771,600.79 - Step 4: Simplify right side
13,981,396,757.99x = 214,773,334,944,279,265,280 - Step 5: Solve for x
x = 214,773,334,944,279,265,280/13,981,396,757.99 - Step 6: Final answer
x = 15,361,364,723.56
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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.