Finding the Fourth Proportional to 50,348,421,755.68, 69,481,104,236.73 and 28,646,563,661.31
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Solution
The fourth proportional to 50,348,421,755.68, 69,481,104,236.73 and 28,646,563,661.31 is: 39,532,418,422.86
Step by Step Solution
- Step 1: Write the proportion equation
50,348,421,755.68 : 69,481,104,236.73 = 28,646,563,661.31 : x - Step 2: Convert to fraction form
50,348,421,755.68/69,481,104,236.73 = 28,646,563,661.31/x - Step 3: Cross multiply
50,348,421,755.68x = 69,481,104,236.73 × 28,646,563,661.31 - Step 4: Simplify right side
50,348,421,755.68x = 1,990,394,875,775,736,610,816 - Step 5: Solve for x
x = 1,990,394,875,775,736,610,816/50,348,421,755.68 - Step 6: Final answer
x = 39,532,418,422.86
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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.