Finding the Fourth Proportional to 346,009,265.76, 477,491,068.21 and 187,239,276.84
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Solution
The fourth proportional to 346,009,265.76, 477,491,068.21 and 187,239,276.84 is: 258,389,272.07
Step by Step Solution
- Step 1: Write the proportion equation
346,009,265.76 : 477,491,068.21 = 187,239,276.84 : x - Step 2: Convert to fraction form
346,009,265.76/477,491,068.21 = 187,239,276.84/x - Step 3: Cross multiply
346,009,265.76x = 477,491,068.21 × 187,239,276.84 - Step 4: Simplify right side
346,009,265.76x = 89,405,082,310,874,016 - Step 5: Solve for x
x = 89,405,082,310,874,016/346,009,265.76 - Step 6: Final answer
x = 258,389,272.07
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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.