Finding the Fourth Proportional to 7,429,991,213.28, 11,146,599,251.28 and 2,259,998,796
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Solution
The fourth proportional to 7,429,991,213.28, 11,146,599,251.28 and 2,259,998,796 is: 3,390,488,651.23
Step by Step Solution
- Step 1: Write the proportion equation
7,429,991,213.28 : 11,146,599,251.28 = 2,259,998,796 : x - Step 2: Convert to fraction form
7,429,991,213.28/11,146,599,251.28 = 2,259,998,796/x - Step 3: Cross multiply
7,429,991,213.28x = 11,146,599,251.28 × 2,259,998,796 - Step 4: Simplify right side
7,429,991,213.28x = 25,191,300,887,387,303,936 - Step 5: Solve for x
x = 25,191,300,887,387,303,936/7,429,991,213.28 - Step 6: Final answer
x = 3,390,488,651.23
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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.