Finding the Fourth Proportional to 949,309,353.18, 1,424,373,238.41 and 512,523,313.98
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Solution
The fourth proportional to 949,309,353.18, 1,424,373,238.41 and 512,523,313.98 is: 769,005,898.92
Step by Step Solution
- Step 1: Write the proportion equation
949,309,353.18 : 1,424,373,238.41 = 512,523,313.98 : x - Step 2: Convert to fraction form
949,309,353.18/1,424,373,238.41 = 512,523,313.98/x - Step 3: Cross multiply
949,309,353.18x = 1,424,373,238.41 × 512,523,313.98 - Step 4: Simplify right side
949,309,353.18x = 730,024,492,494,317,952 - Step 5: Solve for x
x = 730,024,492,494,317,952/949,309,353.18 - Step 6: Final answer
x = 769,005,898.92
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1.5x scale
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.