Finding the Fourth Proportional to 1,612,081,495.44, 2,419,043,712.12 and 875,211,312.55
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Solution
The fourth proportional to 1,612,081,495.44, 2,419,043,712.12 and 875,211,312.55 is: 1,313,317,241.34
Step by Step Solution
- Step 1: Write the proportion equation
1,612,081,495.44 : 2,419,043,712.12 = 875,211,312.55 : x - Step 2: Convert to fraction form
1,612,081,495.44/2,419,043,712.12 = 875,211,312.55/x - Step 3: Cross multiply
1,612,081,495.44x = 2,419,043,712.12 × 875,211,312.55 - Step 4: Simplify right side
1,612,081,495.44x = 2,117,174,422,400,369,408 - Step 5: Solve for x
x = 2,117,174,422,400,369,408/1,612,081,495.44 - Step 6: Final answer
x = 1,313,317,241.34
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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.