Finding the Fourth Proportional to 4,228,213,578.12, 5,833,618,346.58 and 2,443,416,809.32
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Solution
The fourth proportional to 4,228,213,578.12, 5,833,618,346.58 and 2,443,416,809.32 is: 3,371,154,475.49
Step by Step Solution
- Step 1: Write the proportion equation
4,228,213,578.12 : 5,833,618,346.58 = 2,443,416,809.32 : x - Step 2: Convert to fraction form
4,228,213,578.12/5,833,618,346.58 = 2,443,416,809.32/x - Step 3: Cross multiply
4,228,213,578.12x = 5,833,618,346.58 × 2,443,416,809.32 - Step 4: Simplify right side
4,228,213,578.12x = 14,253,961,127,191,117,824 - Step 5: Solve for x
x = 14,253,961,127,191,117,824/4,228,213,578.12 - Step 6: Final answer
x = 3,371,154,475.49
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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.