Finding the Fourth Proportional to 1,080,698,235.46, 1,491,364,840.62 and 585,660,943.96
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Solution
The fourth proportional to 1,080,698,235.46, 1,491,364,840.62 and 585,660,943.96 is: 808,212,793.99
Step by Step Solution
- Step 1: Write the proportion equation
1,080,698,235.46 : 1,491,364,840.62 = 585,660,943.96 : x - Step 2: Convert to fraction form
1,080,698,235.46/1,491,364,840.62 = 585,660,943.96/x - Step 3: Cross multiply
1,080,698,235.46x = 1,491,364,840.62 × 585,660,943.96 - Step 4: Simplify right side
1,080,698,235.46x = 873,434,140,346,264,192 - Step 5: Solve for x
x = 873,434,140,346,264,192/1,080,698,235.46 - Step 6: Final answer
x = 808,212,793.99
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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.