Finding the Fourth Proportional to 1,765,073,958.49, 2,435,621,808.69 and 1,086,783,198.49
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Solution
The fourth proportional to 1,765,073,958.49, 2,435,621,808.69 and 1,086,783,198.49 is: 1,499,649,828.74
Step by Step Solution
- Step 1: Write the proportion equation
1,765,073,958.49 : 2,435,621,808.69 = 1,086,783,198.49 : x - Step 2: Convert to fraction form
1,765,073,958.49/2,435,621,808.69 = 1,086,783,198.49/x - Step 3: Cross multiply
1,765,073,958.49x = 2,435,621,808.69 × 1,086,783,198.49 - Step 4: Simplify right side
1,765,073,958.49x = 2,646,992,859,560,117,248 - Step 5: Solve for x
x = 2,646,992,859,560,117,248/1,765,073,958.49 - Step 6: Final answer
x = 1,499,649,828.74
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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.