Finding the Fourth Proportional to 2,149,108,656.40, 3,218,288,213.40 and 1,719,126,960.40
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Solution
The fourth proportional to 2,149,108,656.40, 3,218,288,213.40 and 1,719,126,960.40 is: 2,574,391,023.70
Step by Step Solution
- Step 1: Write the proportion equation
2,149,108,656.40 : 3,218,288,213.40 = 1,719,126,960.40 : x - Step 2: Convert to fraction form
2,149,108,656.40/3,218,288,213.40 = 1,719,126,960.40/x - Step 3: Cross multiply
2,149,108,656.40x = 3,218,288,213.40 × 1,719,126,960.40 - Step 4: Simplify right side
2,149,108,656.40x = 5,532,646,033,993,489,408 - Step 5: Solve for x
x = 5,532,646,033,993,489,408/2,149,108,656.40 - Step 6: Final answer
x = 2,574,391,023.70
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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.