Finding the Fourth Proportional to 449,484,812.20, 674,272,124.70 and 121,965,524.20
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Solution
The fourth proportional to 449,484,812.20, 674,272,124.70 and 121,965,524.20 is: 182,960,471.43
Step by Step Solution
- Step 1: Write the proportion equation
449,484,812.20 : 674,272,124.70 = 121,965,524.20 : x - Step 2: Convert to fraction form
449,484,812.20/674,272,124.70 = 121,965,524.20/x - Step 3: Cross multiply
449,484,812.20x = 674,272,124.70 × 121,965,524.20 - Step 4: Simplify right side
449,484,812.20x = 82,237,953,142,483,280 - Step 5: Solve for x
x = 82,237,953,142,483,280/449,484,812.20 - Step 6: Final answer
x = 182,960,471.43
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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.