Finding the Fourth Proportional to 1,468,391,628.42, 2,202,660,631.71 and 419,285,432.10
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Solution
The fourth proportional to 1,468,391,628.42, 2,202,660,631.71 and 419,285,432.10 is: 628,949,046.60
Step by Step Solution
- Step 1: Write the proportion equation
1,468,391,628.42 : 2,202,660,631.71 = 419,285,432.10 : x - Step 2: Convert to fraction form
1,468,391,628.42/2,202,660,631.71 = 419,285,432.10/x - Step 3: Cross multiply
1,468,391,628.42x = 2,202,660,631.71 × 419,285,432.10 - Step 4: Simplify right side
1,468,391,628.42x = 923,543,514,736,186,368 - Step 5: Solve for x
x = 923,543,514,736,186,368/1,468,391,628.42 - Step 6: Final answer
x = 628,949,046.60
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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.