Finding the Fourth Proportional to 483,420,189,216.48, 667,121,935,139.20 and 263,693,669,704.40
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Solution
The fourth proportional to 483,420,189,216.48, 667,121,935,139.20 and 263,693,669,704.40 is: 363,898,395,518.56
Step by Step Solution
- Step 1: Write the proportion equation
483,420,189,216.48 : 667,121,935,139.20 = 263,693,669,704.40 : x - Step 2: Convert to fraction form
483,420,189,216.48/667,121,935,139.20 = 263,693,669,704.40/x - Step 3: Cross multiply
483,420,189,216.48x = 667,121,935,139.20 × 263,693,669,704.40 - Step 4: Simplify right side
483,420,189,216.48x = 175,915,831,217,156,362,600,448 - Step 5: Solve for x
x = 175,915,831,217,156,362,600,448/483,420,189,216.48 - Step 6: Final answer
x = 363,898,395,518.56
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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.