Finding the Fourth Proportional to 7,662,907,828.80, 11,494,361,743.20 and 5,596,665,220.80
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Solution
The fourth proportional to 7,662,907,828.80, 11,494,361,743.20 and 5,596,665,220.80 is: 8,394,997,831.20
Step by Step Solution
- Step 1: Write the proportion equation
7,662,907,828.80 : 11,494,361,743.20 = 5,596,665,220.80 : x - Step 2: Convert to fraction form
7,662,907,828.80/11,494,361,743.20 = 5,596,665,220.80/x - Step 3: Cross multiply
7,662,907,828.80x = 11,494,361,743.20 × 5,596,665,220.80 - Step 4: Simplify right side
7,662,907,828.80x = 64,330,094,603,461,509,120 - Step 5: Solve for x
x = 64,330,094,603,461,509,120/7,662,907,828.80 - Step 6: Final answer
x = 8,394,997,831.20
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1.5x scale
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.