Finding the Fourth Proportional to 2,220,149,986.92, 3,330,430,470.90 and 726,190,013.40
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Solution
The fourth proportional to 2,220,149,986.92, 3,330,430,470.90 and 726,190,013.40 is: 1,089,352,234.10
Step by Step Solution
- Step 1: Write the proportion equation
2,220,149,986.92 : 3,330,430,470.90 = 726,190,013.40 : x - Step 2: Convert to fraction form
2,220,149,986.92/3,330,430,470.90 = 726,190,013.40/x - Step 3: Cross multiply
2,220,149,986.92x = 3,330,430,470.90 × 726,190,013.40 - Step 4: Simplify right side
2,220,149,986.92x = 2,418,525,348,290,639,360 - Step 5: Solve for x
x = 2,418,525,348,290,639,360/2,220,149,986.92 - Step 6: Final answer
x = 1,089,352,234.10
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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.