Finding the Fourth Proportional to 949,309,351.68, 1,424,373,236.16 and 512,523,312.48
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Solution
The fourth proportional to 949,309,351.68, 1,424,373,236.16 and 512,523,312.48 is: 769,005,896.67
Step by Step Solution
- Step 1: Write the proportion equation
949,309,351.68 : 1,424,373,236.16 = 512,523,312.48 : x - Step 2: Convert to fraction form
949,309,351.68/1,424,373,236.16 = 512,523,312.48/x - Step 3: Cross multiply
949,309,351.68x = 1,424,373,236.16 × 512,523,312.48 - Step 4: Simplify right side
949,309,351.68x = 730,024,489,204,580,608 - Step 5: Solve for x
x = 730,024,489,204,580,608/949,309,351.68 - Step 6: Final answer
x = 769,005,896.67
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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.