Finding the Fourth Proportional to 894,999,598.26, 1,235,127,327.02 and 513,591,478.44
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Solution
The fourth proportional to 894,999,598.26, 1,235,127,327.02 and 513,591,478.44 is: 708,772,239.87
Step by Step Solution
- Step 1: Write the proportion equation
894,999,598.26 : 1,235,127,327.02 = 513,591,478.44 : x - Step 2: Convert to fraction form
894,999,598.26/1,235,127,327.02 = 513,591,478.44/x - Step 3: Cross multiply
894,999,598.26x = 1,235,127,327.02 × 513,591,478.44 - Step 4: Simplify right side
894,999,598.26x = 634,350,869,940,586,752 - Step 5: Solve for x
x = 634,350,869,940,586,752/894,999,598.26 - Step 6: Final answer
x = 708,772,239.87
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.