Finding the Fourth Proportional to 4,281,876,086.28, 5,911,065,163.08 and 2,871,664,194.12
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Solution
The fourth proportional to 4,281,876,086.28, 5,911,065,163.08 and 2,871,664,194.12 is: 3,964,288,978.92
Step by Step Solution
- Step 1: Write the proportion equation
4,281,876,086.28 : 5,911,065,163.08 = 2,871,664,194.12 : x - Step 2: Convert to fraction form
4,281,876,086.28/5,911,065,163.08 = 2,871,664,194.12/x - Step 3: Cross multiply
4,281,876,086.28x = 5,911,065,163.08 × 2,871,664,194.12 - Step 4: Simplify right side
4,281,876,086.28x = 16,974,594,177,926,934,528 - Step 5: Solve for x
x = 16,974,594,177,926,934,528/4,281,876,086.28 - Step 6: Final answer
x = 3,964,288,978.92
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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.