Finding the Fourth Proportional to 8,546,321,478.09, 11,793,992,887.85 and 4,735,908,077.39
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Solution
The fourth proportional to 8,546,321,478.09, 11,793,992,887.85 and 4,735,908,077.39 is: 6,535,591,520.32
Step by Step Solution
- Step 1: Write the proportion equation
8,546,321,478.09 : 11,793,992,887.85 = 4,735,908,077.39 : x - Step 2: Convert to fraction form
8,546,321,478.09/11,793,992,887.85 = 4,735,908,077.39/x - Step 3: Cross multiply
8,546,321,478.09x = 11,793,992,887.85 × 4,735,908,077.39 - Step 4: Simplify right side
8,546,321,478.09x = 55,855,266,182,166,380,544 - Step 5: Solve for x
x = 55,855,266,182,166,380,544/8,546,321,478.09 - Step 6: Final answer
x = 6,535,591,520.32
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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.