Finding the Fourth Proportional to 1,080,697,888.80, 1,491,364,361.99 and 585,660,597.30
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Solution
The fourth proportional to 1,080,697,888.80, 1,491,364,361.99 and 585,660,597.30 is: 808,212,315.48
Step by Step Solution
- Step 1: Write the proportion equation
1,080,697,888.80 : 1,491,364,361.99 = 585,660,597.30 : x - Step 2: Convert to fraction form
1,080,697,888.80/1,491,364,361.99 = 585,660,597.30/x - Step 3: Cross multiply
1,080,697,888.80x = 1,491,364,361.99 × 585,660,597.30 - Step 4: Simplify right side
1,080,697,888.80x = 873,433,343,036,460,928 - Step 5: Solve for x
x = 873,433,343,036,460,928/1,080,697,888.80 - Step 6: Final answer
x = 808,212,315.48
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1.5x scale
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.