Finding the Fourth Proportional to 13,825,206,909.30, 20,735,471,349.42 and 3,874,360,420.08
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Solution
The fourth proportional to 13,825,206,909.30, 20,735,471,349.42 and 3,874,360,420.08 is: 5,810,885,147.32
Step by Step Solution
- Step 1: Write the proportion equation
13,825,206,909.30 : 20,735,471,349.42 = 3,874,360,420.08 : x - Step 2: Convert to fraction form
13,825,206,909.30/20,735,471,349.42 = 3,874,360,420.08/x - Step 3: Cross multiply
13,825,206,909.30x = 20,735,471,349.42 × 3,874,360,420.08 - Step 4: Simplify right side
13,825,206,909.30x = 80,336,689,487,895,674,880 - Step 5: Solve for x
x = 80,336,689,487,895,674,880/13,825,206,909.30 - Step 6: Final answer
x = 5,810,885,147.32
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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.