Finding the Fourth Proportional to 1,040,363,261.80, 1,560,891,797.96 and 691,982,761
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Solution
The fourth proportional to 1,040,363,261.80, 1,560,891,797.96 and 691,982,761 is: 1,038,204,880.58
Step by Step Solution
- Step 1: Write the proportion equation
1,040,363,261.80 : 1,560,891,797.96 = 691,982,761 : x - Step 2: Convert to fraction form
1,040,363,261.80/1,560,891,797.96 = 691,982,761/x - Step 3: Cross multiply
1,040,363,261.80x = 1,560,891,797.96 × 691,982,761 - Step 4: Simplify right side
1,040,363,261.80x = 1,080,110,215,974,615,040 - Step 5: Solve for x
x = 1,080,110,215,974,615,040/1,040,363,261.80 - Step 6: Final answer
x = 1,038,204,880.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.