Finding the Fourth Proportional to 436,839,695.70, 655,259,543.55 and 207,257,183.70
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Solution
The fourth proportional to 436,839,695.70, 655,259,543.55 and 207,257,183.70 is: 310,885,775.55
Step by Step Solution
- Step 1: Write the proportion equation
436,839,695.70 : 655,259,543.55 = 207,257,183.70 : x - Step 2: Convert to fraction form
436,839,695.70/655,259,543.55 = 207,257,183.70/x - Step 3: Cross multiply
436,839,695.70x = 655,259,543.55 × 207,257,183.70 - Step 4: Simplify right side
436,839,695.70x = 135,807,247,588,720,480 - Step 5: Solve for x
x = 135,807,247,588,720,480/436,839,695.70 - Step 6: Final answer
x = 310,885,775.55
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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.