Finding the Fourth Proportional to 265,729,266.45, 398,593,899.68 and 229,378,702.05
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Solution
The fourth proportional to 265,729,266.45, 398,593,899.68 and 229,378,702.05 is: 344,068,053.08
Step by Step Solution
- Step 1: Write the proportion equation
265,729,266.45 : 398,593,899.68 = 229,378,702.05 : x - Step 2: Convert to fraction form
265,729,266.45/398,593,899.68 = 229,378,702.05/x - Step 3: Cross multiply
265,729,266.45x = 398,593,899.68 × 229,378,702.05 - Step 4: Simplify right side
265,729,266.45x = 91,428,951,352,499,424 - Step 5: Solve for x
x = 91,428,951,352,499,424/265,729,266.45 - Step 6: Final answer
x = 344,068,053.08
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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.