Finding the Fourth Proportional to 495,392,673.80, 743,089,010.70 and 150,345,747.20
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Solution
The fourth proportional to 495,392,673.80, 743,089,010.70 and 150,345,747.20 is: 225,518,620.80
Step by Step Solution
- Step 1: Write the proportion equation
495,392,673.80 : 743,089,010.70 = 150,345,747.20 : x - Step 2: Convert to fraction form
495,392,673.80/743,089,010.70 = 150,345,747.20/x - Step 3: Cross multiply
495,392,673.80x = 743,089,010.70 × 150,345,747.20 - Step 4: Simplify right side
495,392,673.80x = 111,720,272,549,800,288 - Step 5: Solve for x
x = 111,720,272,549,800,288/495,392,673.80 - Step 6: Final answer
x = 225,518,620.80
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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.