Finding the Fourth Proportional to 4,060,621,720.28, 5,605,494,094.74 and 2,557,457,188.67
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Solution
The fourth proportional to 4,060,621,720.28, 5,605,494,094.74 and 2,557,457,188.67 is: 3,530,447,344.32
Step by Step Solution
- Step 1: Write the proportion equation
4,060,621,720.28 : 5,605,494,094.74 = 2,557,457,188.67 : x - Step 2: Convert to fraction form
4,060,621,720.28/5,605,494,094.74 = 2,557,457,188.67/x - Step 3: Cross multiply
4,060,621,720.28x = 5,605,494,094.74 × 2,557,457,188.67 - Step 4: Simplify right side
4,060,621,720.28x = 14,335,811,168,640,047,104 - Step 5: Solve for x
x = 14,335,811,168,640,047,104/4,060,621,720.28 - Step 6: Final answer
x = 3,530,447,344.32
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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.