Finding the Fourth Proportional to 3,914,857,621.40, 5,872,286,432.10 and 3,764,364,027.80
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Solution
The fourth proportional to 3,914,857,621.40, 5,872,286,432.10 and 3,764,364,027.80 is: 5,646,546,041.70
Step by Step Solution
- Step 1: Write the proportion equation
3,914,857,621.40 : 5,872,286,432.10 = 3,764,364,027.80 : x - Step 2: Convert to fraction form
3,914,857,621.40/5,872,286,432.10 = 3,764,364,027.80/x - Step 3: Cross multiply
3,914,857,621.40x = 5,872,286,432.10 × 3,764,364,027.80 - Step 4: Simplify right side
3,914,857,621.40x = 22,105,423,805,935,251,456 - Step 5: Solve for x
x = 22,105,423,805,935,251,456/3,914,857,621.40 - Step 6: Final answer
x = 5,646,546,041.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.