Finding the Fourth Proportional to 1,149,034,220.40, 1,723,551,330.60 and 798,330,399.60
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Solution
The fourth proportional to 1,149,034,220.40, 1,723,551,330.60 and 798,330,399.60 is: 1,197,495,599.40
Step by Step Solution
- Step 1: Write the proportion equation
1,149,034,220.40 : 1,723,551,330.60 = 798,330,399.60 : x - Step 2: Convert to fraction form
1,149,034,220.40/1,723,551,330.60 = 798,330,399.60/x - Step 3: Cross multiply
1,149,034,220.40x = 1,723,551,330.60 × 798,330,399.60 - Step 4: Simplify right side
1,149,034,220.40x = 1,375,963,422,489,009,664 - Step 5: Solve for x
x = 1,375,963,422,489,009,664/1,149,034,220.40 - Step 6: Final answer
x = 1,197,495,599.40
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Similar ratio
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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.