Finding the Fourth Proportional to 330,050,621.99, 455,370,533.41 and 197,843,380.11
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Solution
The fourth proportional to 330,050,621.99, 455,370,533.41 and 197,843,380.11 is: 272,964,325.86
Step by Step Solution
- Step 1: Write the proportion equation
330,050,621.99 : 455,370,533.41 = 197,843,380.11 : x - Step 2: Convert to fraction form
330,050,621.99/455,370,533.41 = 197,843,380.11/x - Step 3: Cross multiply
330,050,621.99x = 455,370,533.41 × 197,843,380.11 - Step 4: Simplify right side
330,050,621.99x = 90,092,045,532,328,096 - Step 5: Solve for x
x = 90,092,045,532,328,096/330,050,621.99 - Step 6: Final answer
x = 272,964,325.86
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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.