Finding the Fourth Proportional to 4,279,059,170.76, 6,419,028,570.29 and 1,481,023,146.51
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Solution
The fourth proportional to 4,279,059,170.76, 6,419,028,570.29 and 1,481,023,146.51 is: 2,221,686,943.63
Step by Step Solution
- Step 1: Write the proportion equation
4,279,059,170.76 : 6,419,028,570.29 = 1,481,023,146.51 : x - Step 2: Convert to fraction form
4,279,059,170.76/6,419,028,570.29 = 1,481,023,146.51/x - Step 3: Cross multiply
4,279,059,170.76x = 6,419,028,570.29 × 1,481,023,146.51 - Step 4: Simplify right side
4,279,059,170.76x = 9,506,729,890,701,076,480 - Step 5: Solve for x
x = 9,506,729,890,701,076,480/4,279,059,170.76 - Step 6: Final answer
x = 2,221,686,943.63
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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.