Finding the Fourth Proportional to 3,517,990,401.99, 4,853,738,130.24 and 2,032,336,457.67
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Solution
The fourth proportional to 3,517,990,401.99, 4,853,738,130.24 and 2,032,336,457.67 is: 2,803,995,415.25
Step by Step Solution
- Step 1: Write the proportion equation
3,517,990,401.99 : 4,853,738,130.24 = 2,032,336,457.67 : x - Step 2: Convert to fraction form
3,517,990,401.99/4,853,738,130.24 = 2,032,336,457.67/x - Step 3: Cross multiply
3,517,990,401.99x = 4,853,738,130.24 × 2,032,336,457.67 - Step 4: Simplify right side
3,517,990,401.99x = 9,864,428,958,069,770,240 - Step 5: Solve for x
x = 9,864,428,958,069,770,240/3,517,990,401.99 - Step 6: Final answer
x = 2,803,995,415.25
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.