Finding the Fourth Proportional to 1,969,107,301.05, 2,718,204,776.15 and 1,226,918,058.09
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Solution
The fourth proportional to 1,969,107,301.05, 2,718,204,776.15 and 1,226,918,058.09 is: 1,693,668,254.48
Step by Step Solution
- Step 1: Write the proportion equation
1,969,107,301.05 : 2,718,204,776.15 = 1,226,918,058.09 : x - Step 2: Convert to fraction form
1,969,107,301.05/2,718,204,776.15 = 1,226,918,058.09/x - Step 3: Cross multiply
1,969,107,301.05x = 2,718,204,776.15 × 1,226,918,058.09 - Step 4: Simplify right side
1,969,107,301.05x = 3,335,014,525,444,920,832 - Step 5: Solve for x
x = 3,335,014,525,444,920,832/1,969,107,301.05 - Step 6: Final answer
x = 1,693,668,254.48
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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.