Finding the Fourth Proportional to 288,237,567.70, 432,356,351.55 and 274,128,793.30
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Solution
The fourth proportional to 288,237,567.70, 432,356,351.55 and 274,128,793.30 is: 411,193,189.95
Step by Step Solution
- Step 1: Write the proportion equation
288,237,567.70 : 432,356,351.55 = 274,128,793.30 : x - Step 2: Convert to fraction form
288,237,567.70/432,356,351.55 = 274,128,793.30/x - Step 3: Cross multiply
288,237,567.70x = 432,356,351.55 × 274,128,793.30 - Step 4: Simplify right side
288,237,567.70x = 118,521,324,925,992,096 - Step 5: Solve for x
x = 118,521,324,925,992,096/288,237,567.70 - Step 6: Final answer
x = 411,193,189.95
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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.