Finding the Fourth Proportional to 1,537,111,438.62, 2,121,214,786.17 and 832,263,897.53
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Solution
The fourth proportional to 1,537,111,438.62, 2,121,214,786.17 and 832,263,897.53 is: 1,148,524,720.50
Step by Step Solution
- Step 1: Write the proportion equation
1,537,111,438.62 : 2,121,214,786.17 = 832,263,897.53 : x - Step 2: Convert to fraction form
1,537,111,438.62/2,121,214,786.17 = 832,263,897.53/x - Step 3: Cross multiply
1,537,111,438.62x = 2,121,214,786.17 × 832,263,897.53 - Step 4: Simplify right side
1,537,111,438.62x = 1,765,410,485,425,503,744 - Step 5: Solve for x
x = 1,765,410,485,425,503,744/1,537,111,438.62 - Step 6: Final answer
x = 1,148,524,720.50
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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.