Finding the Fourth Proportional to 5,603,850,969.10, 7,733,406,263.20 and 3,345,987,778.70
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Solution
The fourth proportional to 5,603,850,969.10, 7,733,406,263.20 and 3,345,987,778.70 is: 4,617,518,022.34
Step by Step Solution
- Step 1: Write the proportion equation
5,603,850,969.10 : 7,733,406,263.20 = 3,345,987,778.70 : x - Step 2: Convert to fraction form
5,603,850,969.10/7,733,406,263.20 = 3,345,987,778.70/x - Step 3: Cross multiply
5,603,850,969.10x = 7,733,406,263.20 × 3,345,987,778.70 - Step 4: Simplify right side
5,603,850,969.10x = 25,875,882,844,342,542,336 - Step 5: Solve for x
x = 25,875,882,844,342,542,336/5,603,850,969.10 - Step 6: Final answer
x = 4,617,518,022.34
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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.