Finding the Fourth Proportional to 2,126,890,034.26, 2,935,112,309.79 and 1,174,272,615.79
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Solution
The fourth proportional to 2,126,890,034.26, 2,935,112,309.79 and 1,174,272,615.79 is: 1,620,498,452.73
Step by Step Solution
- Step 1: Write the proportion equation
2,126,890,034.26 : 2,935,112,309.79 = 1,174,272,615.79 : x - Step 2: Convert to fraction form
2,126,890,034.26/2,935,112,309.79 = 1,174,272,615.79/x - Step 3: Cross multiply
2,126,890,034.26x = 2,935,112,309.79 × 1,174,272,615.79 - Step 4: Simplify right side
2,126,890,034.26x = 3,446,622,009,649,425,408 - Step 5: Solve for x
x = 3,446,622,009,649,425,408/2,126,890,034.26 - Step 6: Final answer
x = 1,620,498,452.73
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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.