Finding the Fourth Proportional to 509,954,244.90, 764,931,367.35 and 164,942,747.70
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Solution
The fourth proportional to 509,954,244.90, 764,931,367.35 and 164,942,747.70 is: 247,414,121.55
Step by Step Solution
- Step 1: Write the proportion equation
509,954,244.90 : 764,931,367.35 = 164,942,747.70 : x - Step 2: Convert to fraction form
509,954,244.90/764,931,367.35 = 164,942,747.70/x - Step 3: Cross multiply
509,954,244.90x = 764,931,367.35 × 164,942,747.70 - Step 4: Simplify right side
509,954,244.90x = 126,169,881,532,627,056 - Step 5: Solve for x
x = 126,169,881,532,627,056/509,954,244.90 - Step 6: Final answer
x = 247,414,121.55
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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.