Finding the Fourth Proportional to 1,080,698,165.46, 1,491,364,743.62 and 585,660,873.96
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Solution
The fourth proportional to 1,080,698,165.46, 1,491,364,743.62 and 585,660,873.96 is: 808,212,697.18
Step by Step Solution
- Step 1: Write the proportion equation
1,080,698,165.46 : 1,491,364,743.62 = 585,660,873.96 : x - Step 2: Convert to fraction form
1,080,698,165.46/1,491,364,743.62 = 585,660,873.96/x - Step 3: Cross multiply
1,080,698,165.46x = 1,491,364,743.62 × 585,660,873.96 - Step 4: Simplify right side
1,080,698,165.46x = 873,433,979,138,692,352 - Step 5: Solve for x
x = 873,433,979,138,692,352/1,080,698,165.46 - Step 6: Final answer
x = 808,212,697.18
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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.