Finding the Fourth Proportional to 1,347,489,025.20, 2,021,233,537.80 and 930,272,410.80
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Solution
The fourth proportional to 1,347,489,025.20, 2,021,233,537.80 and 930,272,410.80 is: 1,395,408,616.20
Step by Step Solution
- Step 1: Write the proportion equation
1,347,489,025.20 : 2,021,233,537.80 = 930,272,410.80 : x - Step 2: Convert to fraction form
1,347,489,025.20/2,021,233,537.80 = 930,272,410.80/x - Step 3: Cross multiply
1,347,489,025.20x = 2,021,233,537.80 × 930,272,410.80 - Step 4: Simplify right side
1,347,489,025.20x = 1,880,297,795,999,018,752 - Step 5: Solve for x
x = 1,880,297,795,999,018,752/1,347,489,025.20 - Step 6: Final answer
x = 1,395,408,616.20
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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.