Finding the Fourth Proportional to 11,211,349,744.68, 15,464,372,591.82 and 7,190,651,482.20
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Solution
The fourth proportional to 11,211,349,744.68, 15,464,372,591.82 and 7,190,651,482.20 is: 9,918,423,404.05
Step by Step Solution
- Step 1: Write the proportion equation
11,211,349,744.68 : 15,464,372,591.82 = 7,190,651,482.20 : x - Step 2: Convert to fraction form
11,211,349,744.68/15,464,372,591.82 = 7,190,651,482.20/x - Step 3: Cross multiply
11,211,349,744.68x = 15,464,372,591.82 × 7,190,651,482.20 - Step 4: Simplify right side
11,211,349,744.68x = 111,198,913,698,663,530,496 - Step 5: Solve for x
x = 111,198,913,698,663,530,496/11,211,349,744.68 - Step 6: Final answer
x = 9,918,423,404.05
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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.