Finding the Fourth Proportional to 436,734,151.20, 655,101,226.80 and 207,151,639.20
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Solution
The fourth proportional to 436,734,151.20, 655,101,226.80 and 207,151,639.20 is: 310,727,458.80
Step by Step Solution
- Step 1: Write the proportion equation
436,734,151.20 : 655,101,226.80 = 207,151,639.20 : x - Step 2: Convert to fraction form
436,734,151.20/655,101,226.80 = 207,151,639.20/x - Step 3: Cross multiply
436,734,151.20x = 655,101,226.80 × 207,151,639.20 - Step 4: Simplify right side
436,734,151.20x = 135,705,292,973,550,960 - Step 5: Solve for x
x = 135,705,292,973,550,960/436,734,151.20 - Step 6: Final answer
x = 310,727,458.80
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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.