Finding the Fourth Proportional to 299,447,715.30, 449,171,572.95 and 255,609,737.70
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Solution
The fourth proportional to 299,447,715.30, 449,171,572.95 and 255,609,737.70 is: 383,414,606.55
Step by Step Solution
- Step 1: Write the proportion equation
299,447,715.30 : 449,171,572.95 = 255,609,737.70 : x - Step 2: Convert to fraction form
299,447,715.30/449,171,572.95 = 255,609,737.70/x - Step 3: Cross multiply
299,447,715.30x = 449,171,572.95 × 255,609,737.70 - Step 4: Simplify right side
299,447,715.30x = 114,812,627,944,045,904 - Step 5: Solve for x
x = 114,812,627,944,045,904/299,447,715.30 - Step 6: Final answer
x = 383,414,606.55
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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.