Finding the Fourth Proportional to 542,600,136.53, 748,512,107.28 and 354,538,371.74
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Solution
The fourth proportional to 542,600,136.53, 748,512,107.28 and 354,538,371.74 is: 489,082,559.84
Step by Step Solution
- Step 1: Write the proportion equation
542,600,136.53 : 748,512,107.28 = 354,538,371.74 : x - Step 2: Convert to fraction form
542,600,136.53/748,512,107.28 = 354,538,371.74/x - Step 3: Cross multiply
542,600,136.53x = 748,512,107.28 × 354,538,371.74 - Step 4: Simplify right side
542,600,136.53x = 265,376,263,740,954,720 - Step 5: Solve for x
x = 265,376,263,740,954,720/542,600,136.53 - Step 6: Final answer
x = 489,082,559.84
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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.