Finding the Fourth Proportional to 4,832,438,806.39, 6,664,987,610.78 and 3,139,438,932.68
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Solution
The fourth proportional to 4,832,438,806.39, 6,664,987,610.78 and 3,139,438,932.68 is: 4,329,971,351.82
Step by Step Solution
- Step 1: Write the proportion equation
4,832,438,806.39 : 6,664,987,610.78 = 3,139,438,932.68 : x - Step 2: Convert to fraction form
4,832,438,806.39/6,664,987,610.78 = 3,139,438,932.68/x - Step 3: Cross multiply
4,832,438,806.39x = 6,664,987,610.78 × 3,139,438,932.68 - Step 4: Simplify right side
4,832,438,806.39x = 20,924,321,591,080,833,024 - Step 5: Solve for x
x = 20,924,321,591,080,833,024/4,832,438,806.39 - Step 6: Final answer
x = 4,329,971,351.82
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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.