Finding the Fourth Proportional to 8,253,806,208.78, 11,390,730,765.84 and 6,215,608,332.84
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Solution
The fourth proportional to 8,253,806,208.78, 11,390,730,765.84 and 6,215,608,332.84 is: 8,577,899,610.72
Step by Step Solution
- Step 1: Write the proportion equation
8,253,806,208.78 : 11,390,730,765.84 = 6,215,608,332.84 : x - Step 2: Convert to fraction form
8,253,806,208.78/11,390,730,765.84 = 6,215,608,332.84/x - Step 3: Cross multiply
8,253,806,208.78x = 11,390,730,765.84 × 6,215,608,332.84 - Step 4: Simplify right side
8,253,806,208.78x = 70,800,321,065,292,062,720 - Step 5: Solve for x
x = 70,800,321,065,292,062,720/8,253,806,208.78 - Step 6: Final answer
x = 8,577,899,610.72
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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.