Finding the Fourth Proportional to 221,184,185.60, 331,776,278.40 and 219,060,819.20
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Solution
The fourth proportional to 221,184,185.60, 331,776,278.40 and 219,060,819.20 is: 328,591,228.80
Step by Step Solution
- Step 1: Write the proportion equation
221,184,185.60 : 331,776,278.40 = 219,060,819.20 : x - Step 2: Convert to fraction form
221,184,185.60/331,776,278.40 = 219,060,819.20/x - Step 3: Cross multiply
221,184,185.60x = 331,776,278.40 × 219,060,819.20 - Step 4: Simplify right side
221,184,185.60x = 72,679,183,337,431,264 - Step 5: Solve for x
x = 72,679,183,337,431,264/221,184,185.60 - Step 6: Final answer
x = 328,591,228.80
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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.