Finding the Fourth Proportional to 1,458,503,209.26, 2,187,751,540.68 and 1,126,992,306.06
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Solution
The fourth proportional to 1,458,503,209.26, 2,187,751,540.68 and 1,126,992,306.06 is: 1,690,485,929.87
Step by Step Solution
- Step 1: Write the proportion equation
1,458,503,209.26 : 2,187,751,540.68 = 1,126,992,306.06 : x - Step 2: Convert to fraction form
1,458,503,209.26/2,187,751,540.68 = 1,126,992,306.06/x - Step 3: Cross multiply
1,458,503,209.26x = 2,187,751,540.68 × 1,126,992,306.06 - Step 4: Simplify right side
1,458,503,209.26x = 2,465,579,153,917,270,528 - Step 5: Solve for x
x = 2,465,579,153,917,270,528/1,458,503,209.26 - Step 6: Final answer
x = 1,690,485,929.87
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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.