Finding the Fourth Proportional to 434,987,423.20, 600,282,609.84 and 236,750,338.40
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Solution
The fourth proportional to 434,987,423.20, 600,282,609.84 and 236,750,338.40 is: 326,715,448.39
Step by Step Solution
- Step 1: Write the proportion equation
434,987,423.20 : 600,282,609.84 = 236,750,338.40 : x - Step 2: Convert to fraction form
434,987,423.20/600,282,609.84 = 236,750,338.40/x - Step 3: Cross multiply
434,987,423.20x = 600,282,609.84 × 236,750,338.40 - Step 4: Simplify right side
434,987,423.20x = 142,117,111,015,255,184 - Step 5: Solve for x
x = 142,117,111,015,255,184/434,987,423.20 - Step 6: Final answer
x = 326,715,448.39
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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.