Finding the Fourth Proportional to 6,207,530,619.57, 8,577,597,781.97 and 4,420,281,209.58
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Solution
The fourth proportional to 6,207,530,619.57, 8,577,597,781.97 and 4,420,281,209.58 is: 6,107,967,342.03
Step by Step Solution
- Step 1: Write the proportion equation
6,207,530,619.57 : 8,577,597,781.97 = 4,420,281,209.58 : x - Step 2: Convert to fraction form
6,207,530,619.57/8,577,597,781.97 = 4,420,281,209.58/x - Step 3: Cross multiply
6,207,530,619.57x = 8,577,597,781.97 × 4,420,281,209.58 - Step 4: Simplify right side
6,207,530,619.57x = 37,915,394,298,954,973,184 - Step 5: Solve for x
x = 37,915,394,298,954,973,184/6,207,530,619.57 - Step 6: Final answer
x = 6,107,967,342.03
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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.