Finding the Fourth Proportional to 5,668,719,862.10, 8,503,079,793.15 and 5,221,033,963.70
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Solution
The fourth proportional to 5,668,719,862.10, 8,503,079,793.15 and 5,221,033,963.70 is: 7,831,550,945.55
Step by Step Solution
- Step 1: Write the proportion equation
5,668,719,862.10 : 8,503,079,793.15 = 5,221,033,963.70 : x - Step 2: Convert to fraction form
5,668,719,862.10/8,503,079,793.15 = 5,221,033,963.70/x - Step 3: Cross multiply
5,668,719,862.10x = 8,503,079,793.15 × 5,221,033,963.70 - Step 4: Simplify right side
5,668,719,862.10x = 44,394,868,396,087,320,576 - Step 5: Solve for x
x = 44,394,868,396,087,320,576/5,668,719,862.10 - Step 6: Final answer
x = 7,831,550,945.55
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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.