Finding the Fourth Proportional to 606,486,121.20, 909,729,181.80 and 582,677,564.40
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Solution
The fourth proportional to 606,486,121.20, 909,729,181.80 and 582,677,564.40 is: 874,016,346.60
Step by Step Solution
- Step 1: Write the proportion equation
606,486,121.20 : 909,729,181.80 = 582,677,564.40 : x - Step 2: Convert to fraction form
606,486,121.20/909,729,181.80 = 582,677,564.40/x - Step 3: Cross multiply
606,486,121.20x = 909,729,181.80 × 582,677,564.40 - Step 4: Simplify right side
606,486,121.20x = 530,078,783,914,828,736 - Step 5: Solve for x
x = 530,078,783,914,828,736/606,486,121.20 - Step 6: Final answer
x = 874,016,346.60
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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.