Finding the Fourth Proportional to 1,890,581,828.97, 2,606,577,747.76 and 1,550,236,340.68
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Solution
The fourth proportional to 1,890,581,828.97, 2,606,577,747.76 and 1,550,236,340.68 is: 2,137,337,557.92
Step by Step Solution
- Step 1: Write the proportion equation
1,890,581,828.97 : 2,606,577,747.76 = 1,550,236,340.68 : x - Step 2: Convert to fraction form
1,890,581,828.97/2,606,577,747.76 = 1,550,236,340.68/x - Step 3: Cross multiply
1,890,581,828.97x = 2,606,577,747.76 × 1,550,236,340.68 - Step 4: Simplify right side
1,890,581,828.97x = 4,040,811,549,385,378,816 - Step 5: Solve for x
x = 4,040,811,549,385,378,816/1,890,581,828.97 - Step 6: Final answer
x = 2,137,337,557.92
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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.