Finding the Fourth Proportional to 8,805,765,117.12, 13,208,647,653.76 and 3,210,121,855.12
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Solution
The fourth proportional to 8,805,765,117.12, 13,208,647,653.76 and 3,210,121,855.12 is: 4,815,182,774.69
Step by Step Solution
- Step 1: Write the proportion equation
8,805,765,117.12 : 13,208,647,653.76 = 3,210,121,855.12 : x - Step 2: Convert to fraction form
8,805,765,117.12/13,208,647,653.76 = 3,210,121,855.12/x - Step 3: Cross multiply
8,805,765,117.12x = 13,208,647,653.76 × 3,210,121,855.12 - Step 4: Simplify right side
8,805,765,117.12x = 42,401,368,509,914,488,832 - Step 5: Solve for x
x = 42,401,368,509,914,488,832/8,805,765,117.12 - Step 6: Final answer
x = 4,815,182,774.69
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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.