Finding the Fourth Proportional to 444,872,497.80, 667,308,746.70 and 414,639,409.80
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Solution
The fourth proportional to 444,872,497.80, 667,308,746.70 and 414,639,409.80 is: 621,959,114.70
Step by Step Solution
- Step 1: Write the proportion equation
444,872,497.80 : 667,308,746.70 = 414,639,409.80 : x - Step 2: Convert to fraction form
444,872,497.80/667,308,746.70 = 414,639,409.80/x - Step 3: Cross multiply
444,872,497.80x = 667,308,746.70 × 414,639,409.80 - Step 4: Simplify right side
444,872,497.80x = 276,692,504,886,065,728 - Step 5: Solve for x
x = 276,692,504,886,065,728/444,872,497.80 - Step 6: Final answer
x = 621,959,114.70
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1.5x scale
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.