Finding the Fourth Proportional to 385,735,026.23, 532,358,494.07 and 216,235,043.96
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Solution
The fourth proportional to 385,735,026.23, 532,358,494.07 and 216,235,043.96 is: 298,429,114.65
Step by Step Solution
- Step 1: Write the proportion equation
385,735,026.23 : 532,358,494.07 = 216,235,043.96 : x - Step 2: Convert to fraction form
385,735,026.23/532,358,494.07 = 216,235,043.96/x - Step 3: Cross multiply
385,735,026.23x = 532,358,494.07 × 216,235,043.96 - Step 4: Simplify right side
385,735,026.23x = 115,114,562,366,836,928 - Step 5: Solve for x
x = 115,114,562,366,836,928/385,735,026.23 - Step 6: Final answer
x = 298,429,114.65
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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.