Finding the Fourth Proportional to 465,254,908.98, 642,147,048.99 and 277,193,371.20
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Solution
The fourth proportional to 465,254,908.98, 642,147,048.99 and 277,193,371.20 is: 382,583,615.73
Step by Step Solution
- Step 1: Write the proportion equation
465,254,908.98 : 642,147,048.99 = 277,193,371.20 : x - Step 2: Convert to fraction form
465,254,908.98/642,147,048.99 = 277,193,371.20/x - Step 3: Cross multiply
465,254,908.98x = 642,147,048.99 × 277,193,371.20 - Step 4: Simplify right side
465,254,908.98x = 177,998,905,315,669,664 - Step 5: Solve for x
x = 177,998,905,315,669,664/465,254,908.98 - Step 6: Final answer
x = 382,583,615.73
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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.