Finding the Fourth Proportional to 747,954,014.40, 1,121,931,021.60 and 498,283,032.60
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Solution
The fourth proportional to 747,954,014.40, 1,121,931,021.60 and 498,283,032.60 is: 747,424,548.90
Step by Step Solution
- Step 1: Write the proportion equation
747,954,014.40 : 1,121,931,021.60 = 498,283,032.60 : x - Step 2: Convert to fraction form
747,954,014.40/1,121,931,021.60 = 498,283,032.60/x - Step 3: Cross multiply
747,954,014.40x = 1,121,931,021.60 × 498,283,032.60 - Step 4: Simplify right side
747,954,014.40x = 559,039,191,810,864,064 - Step 5: Solve for x
x = 559,039,191,810,864,064/747,954,014.40 - Step 6: Final answer
x = 747,424,548.90
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Similar ratio
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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.