Finding the Fourth Proportional to 1,080,698,216.96, 1,491,364,815.10 and 585,660,925.48
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Solution
The fourth proportional to 1,080,698,216.96, 1,491,364,815.10 and 585,660,925.48 is: 808,212,768.50
Step by Step Solution
- Step 1: Write the proportion equation
1,080,698,216.96 : 1,491,364,815.10 = 585,660,925.48 : x - Step 2: Convert to fraction form
1,080,698,216.96/1,491,364,815.10 = 585,660,925.48/x - Step 3: Cross multiply
1,080,698,216.96x = 1,491,364,815.10 × 585,660,925.48 - Step 4: Simplify right side
1,080,698,216.96x = 873,434,097,839,775,104 - Step 5: Solve for x
x = 873,434,097,839,775,104/1,080,698,216.96 - Step 6: Final answer
x = 808,212,768.50
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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.