Finding the Fourth Proportional to 324,309,576.26, 487,240,432.65 and 207,952,901.30
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Solution
The fourth proportional to 324,309,576.26, 487,240,432.65 and 207,952,901.30 is: 312,426,980.32
Step by Step Solution
- Step 1: Write the proportion equation
324,309,576.26 : 487,240,432.65 = 207,952,901.30 : x - Step 2: Convert to fraction form
324,309,576.26/487,240,432.65 = 207,952,901.30/x - Step 3: Cross multiply
324,309,576.26x = 487,240,432.65 × 207,952,901.30 - Step 4: Simplify right side
324,309,576.26x = 101,323,061,600,234,752 - Step 5: Solve for x
x = 101,323,061,600,234,752/324,309,576.26 - Step 6: Final answer
x = 312,426,980.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.