Finding the Fourth Proportional to 354,390,528.70, 531,585,793.05 and 349,612,954.30
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Solution
The fourth proportional to 354,390,528.70, 531,585,793.05 and 349,612,954.30 is: 524,419,431.45
Step by Step Solution
- Step 1: Write the proportion equation
354,390,528.70 : 531,585,793.05 = 349,612,954.30 : x - Step 2: Convert to fraction form
354,390,528.70/531,585,793.05 = 349,612,954.30/x - Step 3: Cross multiply
354,390,528.70x = 531,585,793.05 × 349,612,954.30 - Step 4: Simplify right side
354,390,528.70x = 185,849,279,572,118,912 - Step 5: Solve for x
x = 185,849,279,572,118,912/354,390,528.70 - Step 6: Final answer
x = 524,419,431.45
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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.