Finding the Fourth Proportional to 2,801,814,961.84, 3,866,512,440.12 and 1,531,671,293.44
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Solution
The fourth proportional to 2,801,814,961.84, 3,866,512,440.12 and 1,531,671,293.44 is: 2,113,710,645.04
Step by Step Solution
- Step 1: Write the proportion equation
2,801,814,961.84 : 3,866,512,440.12 = 1,531,671,293.44 : x - Step 2: Convert to fraction form
2,801,814,961.84/3,866,512,440.12 = 1,531,671,293.44/x - Step 3: Cross multiply
2,801,814,961.84x = 3,866,512,440.12 × 1,531,671,293.44 - Step 4: Simplify right side
2,801,814,961.84x = 5,922,226,110,260,451,328 - Step 5: Solve for x
x = 5,922,226,110,260,451,328/2,801,814,961.84 - Step 6: Final answer
x = 2,113,710,645.04
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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.