Finding the Fourth Proportional to 484,584,474.87, 727,059,902.76 and 189,690,349.23
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Solution
The fourth proportional to 484,584,474.87, 727,059,902.76 and 189,690,349.23 is: 284,607,233.66
Step by Step Solution
- Step 1: Write the proportion equation
484,584,474.87 : 727,059,902.76 = 189,690,349.23 : x - Step 2: Convert to fraction form
484,584,474.87/727,059,902.76 = 189,690,349.23/x - Step 3: Cross multiply
484,584,474.87x = 727,059,902.76 × 189,690,349.23 - Step 4: Simplify right side
484,584,474.87x = 137,916,246,865,674,224 - Step 5: Solve for x
x = 137,916,246,865,674,224/484,584,474.87 - Step 6: Final answer
x = 284,607,233.66
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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.