Finding the Fourth Proportional to 402,409,543.70, 603,614,315.55 and 402,409,543.70
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Solution
The fourth proportional to 402,409,543.70, 603,614,315.55 and 402,409,543.70 is: 603,614,315.55
Step by Step Solution
- Step 1: Write the proportion equation
402,409,543.70 : 603,614,315.55 = 402,409,543.70 : x - Step 2: Convert to fraction form
402,409,543.70/603,614,315.55 = 402,409,543.70/x - Step 3: Cross multiply
402,409,543.70x = 603,614,315.55 × 402,409,543.70 - Step 4: Simplify right side
402,409,543.70x = 242,900,161,291,263,296 - Step 5: Solve for x
x = 242,900,161,291,263,296/402,409,543.70 - Step 6: Final answer
x = 603,614,315.55
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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.