Finding the Fourth Proportional to 574,646,820.20, 861,970,230.30 and 565,576,893.80
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Solution
The fourth proportional to 574,646,820.20, 861,970,230.30 and 565,576,893.80 is: 848,365,340.70
Step by Step Solution
- Step 1: Write the proportion equation
574,646,820.20 : 861,970,230.30 = 565,576,893.80 : x - Step 2: Convert to fraction form
574,646,820.20/861,970,230.30 = 565,576,893.80/x - Step 3: Cross multiply
574,646,820.20x = 861,970,230.30 × 565,576,893.80 - Step 4: Simplify right side
574,646,820.20x = 487,510,445,401,144,576 - Step 5: Solve for x
x = 487,510,445,401,144,576/574,646,820.20 - Step 6: Final answer
x = 848,365,340.70
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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.