Finding the Fourth Proportional to 351,340,638.12, 527,121,096.12 and 211,433,752.62
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Solution
The fourth proportional to 351,340,638.12, 527,121,096.12 and 211,433,752.62 is: 317,216,909.59
Step by Step Solution
- Step 1: Write the proportion equation
351,340,638.12 : 527,121,096.12 = 211,433,752.62 : x - Step 2: Convert to fraction form
351,340,638.12/527,121,096.12 = 211,433,752.62/x - Step 3: Cross multiply
351,340,638.12x = 527,121,096.12 × 211,433,752.62 - Step 4: Simplify right side
351,340,638.12x = 111,451,191,437,819,328 - Step 5: Solve for x
x = 111,451,191,437,819,328/351,340,638.12 - Step 6: Final answer
x = 317,216,909.59
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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.