Finding the Fourth Proportional to 2,043,120,319.25, 3,064,680,512.49 and 490,411,638.68
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Solution
The fourth proportional to 2,043,120,319.25, 3,064,680,512.49 and 490,411,638.68 is: 735,617,466.09
Step by Step Solution
- Step 1: Write the proportion equation
2,043,120,319.25 : 3,064,680,512.49 = 490,411,638.68 : x - Step 2: Convert to fraction form
2,043,120,319.25/3,064,680,512.49 = 490,411,638.68/x - Step 3: Cross multiply
2,043,120,319.25x = 3,064,680,512.49 × 490,411,638.68 - Step 4: Simplify right side
2,043,120,319.25x = 1,502,954,992,160,882,944 - Step 5: Solve for x
x = 1,502,954,992,160,882,944/2,043,120,319.25 - Step 6: Final answer
x = 735,617,466.09
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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.