Finding the Fourth Proportional to 1,216,267,894.88, 1,824,217,506.02 and 331,022,237.94
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Solution
The fourth proportional to 1,216,267,894.88, 1,824,217,506.02 and 331,022,237.94 is: 496,483,187.52
Step by Step Solution
- Step 1: Write the proportion equation
1,216,267,894.88 : 1,824,217,506.02 = 331,022,237.94 : x - Step 2: Convert to fraction form
1,216,267,894.88/1,824,217,506.02 = 331,022,237.94/x - Step 3: Cross multiply
1,216,267,894.88x = 1,824,217,506.02 × 331,022,237.94 - Step 4: Simplify right side
1,216,267,894.88x = 603,856,561,330,410,752 - Step 5: Solve for x
x = 603,856,561,330,410,752/1,216,267,894.88 - Step 6: Final answer
x = 496,483,187.52
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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.