Finding the Fourth Proportional to 1,123,577,352.80, 1,685,366,029.20 and 305,689,653.80
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Solution
The fourth proportional to 1,123,577,352.80, 1,685,366,029.20 and 305,689,653.80 is: 458,534,480.70
Step by Step Solution
- Step 1: Write the proportion equation
1,123,577,352.80 : 1,685,366,029.20 = 305,689,653.80 : x - Step 2: Convert to fraction form
1,123,577,352.80/1,685,366,029.20 = 305,689,653.80/x - Step 3: Cross multiply
1,123,577,352.80x = 1,685,366,029.20 × 305,689,653.80 - Step 4: Simplify right side
1,123,577,352.80x = 515,198,957,992,428,736 - Step 5: Solve for x
x = 515,198,957,992,428,736/1,123,577,352.80 - Step 6: Final answer
x = 458,534,480.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.