Finding the Fourth Proportional to 402,313,643.80, 603,612,183.30 and 197,704,922.20
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Solution
The fourth proportional to 402,313,643.80, 603,612,183.30 and 197,704,922.20 is: 296,627,026.15
Step by Step Solution
- Step 1: Write the proportion equation
402,313,643.80 : 603,612,183.30 = 197,704,922.20 : x - Step 2: Convert to fraction form
402,313,643.80/603,612,183.30 = 197,704,922.20/x - Step 3: Cross multiply
402,313,643.80x = 603,612,183.30 × 197,704,922.20 - Step 4: Simplify right side
402,313,643.80x = 119,337,099,738,298,624 - Step 5: Solve for x
x = 119,337,099,738,298,624/402,313,643.80 - Step 6: Final answer
x = 296,627,026.15
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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.