Finding the Fourth Proportional to 3,782,332,326.40, 5,673,498,489.60 and 1,022,387,315.20
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Solution
The fourth proportional to 3,782,332,326.40, 5,673,498,489.60 and 1,022,387,315.20 is: 1,533,580,972.80
Step by Step Solution
- Step 1: Write the proportion equation
3,782,332,326.40 : 5,673,498,489.60 = 1,022,387,315.20 : x - Step 2: Convert to fraction form
3,782,332,326.40/5,673,498,489.60 = 1,022,387,315.20/x - Step 3: Cross multiply
3,782,332,326.40x = 5,673,498,489.60 × 1,022,387,315.20 - Step 4: Simplify right side
3,782,332,326.40x = 5,800,512,888,573,400,064 - Step 5: Solve for x
x = 5,800,512,888,573,400,064/3,782,332,326.40 - Step 6: Final answer
x = 1,533,580,972.80
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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.