Finding the Fourth Proportional to 309,042,894.84, 426,479,074.74 and 169,822,635
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Solution
The fourth proportional to 309,042,894.84, 426,479,074.74 and 169,822,635 is: 234,355,170.28
Step by Step Solution
- Step 1: Write the proportion equation
309,042,894.84 : 426,479,074.74 = 169,822,635 : x - Step 2: Convert to fraction form
309,042,894.84/426,479,074.74 = 169,822,635/x - Step 3: Cross multiply
309,042,894.84x = 426,479,074.74 × 169,822,635 - Step 4: Simplify right side
309,042,894.84x = 72,425,800,244,708,736 - Step 5: Solve for x
x = 72,425,800,244,708,736/309,042,894.84 - Step 6: Final answer
x = 234,355,170.28
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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.