Finding the Fourth Proportional to 355,128,216.60, 532,692,324.90 and 202,245,835.80
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Solution
The fourth proportional to 355,128,216.60, 532,692,324.90 and 202,245,835.80 is: 303,368,753.70
Step by Step Solution
- Step 1: Write the proportion equation
355,128,216.60 : 532,692,324.90 = 202,245,835.80 : x - Step 2: Convert to fraction form
355,128,216.60/532,692,324.90 = 202,245,835.80/x - Step 3: Cross multiply
355,128,216.60x = 532,692,324.90 × 202,245,835.80 - Step 4: Simplify right side
355,128,216.60x = 107,734,804,473,645,648 - Step 5: Solve for x
x = 107,734,804,473,645,648/355,128,216.60 - Step 6: Final answer
x = 303,368,753.70
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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.