Finding the Fourth Proportional to 461,080,332.06, 636,295,880.34 and 252,231,990.68
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Solution
The fourth proportional to 461,080,332.06, 636,295,880.34 and 252,231,990.68 is: 348,082,894.45
Step by Step Solution
- Step 1: Write the proportion equation
461,080,332.06 : 636,295,880.34 = 252,231,990.68 : x - Step 2: Convert to fraction form
461,080,332.06/636,295,880.34 = 252,231,990.68/x - Step 3: Cross multiply
461,080,332.06x = 636,295,880.34 × 252,231,990.68 - Step 4: Simplify right side
461,080,332.06x = 160,494,176,556,459,808 - Step 5: Solve for x
x = 160,494,176,556,459,808/461,080,332.06 - Step 6: Final answer
x = 348,082,894.45
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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.