Finding the Fourth Proportional to 940,135,803.60, 1,317,550,614 and 940,135,803.60
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Solution
The fourth proportional to 940,135,803.60, 1,317,550,614 and 940,135,803.60 is: 1,317,550,614
Step by Step Solution
- Step 1: Write the proportion equation
940,135,803.60 : 1,317,550,614 = 940,135,803.60 : x - Step 2: Convert to fraction form
940,135,803.60/1,317,550,614 = 940,135,803.60/x - Step 3: Cross multiply
940,135,803.60x = 1,317,550,614 × 940,135,803.60 - Step 4: Simplify right side
940,135,803.60x = 1,238,676,505,276,563,456 - Step 5: Solve for x
x = 1,238,676,505,276,563,456/940,135,803.60 - Step 6: Final answer
x = 1,317,550,614
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.