Finding the Fourth Proportional to 481,358,889.87, 722,450,628.05 and 477,735,643.23
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Solution
The fourth proportional to 481,358,889.87, 722,450,628.05 and 477,735,643.23 is: 717,012,654.70
Step by Step Solution
- Step 1: Write the proportion equation
481,358,889.87 : 722,450,628.05 = 477,735,643.23 : x - Step 2: Convert to fraction form
481,358,889.87/722,450,628.05 = 477,735,643.23/x - Step 3: Cross multiply
481,358,889.87x = 722,450,628.05 × 477,735,643.23 - Step 4: Simplify right side
481,358,889.87x = 345,140,415,490,995,520 - Step 5: Solve for x
x = 345,140,415,490,995,520/481,358,889.87 - Step 6: Final answer
x = 717,012,654.70
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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.