Finding the Fourth Proportional to 8,534,198,863.31, 12,801,227,440.71 and 6,670,411,209.14
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Solution
The fourth proportional to 8,534,198,863.31, 12,801,227,440.71 and 6,670,411,209.14 is: 10,005,561,433.35
Step by Step Solution
- Step 1: Write the proportion equation
8,534,198,863.31 : 12,801,227,440.71 = 6,670,411,209.14 : x - Step 2: Convert to fraction form
8,534,198,863.31/12,801,227,440.71 = 6,670,411,209.14/x - Step 3: Cross multiply
8,534,198,863.31x = 12,801,227,440.71 × 6,670,411,209.14 - Step 4: Simplify right side
8,534,198,863.31x = 85,389,451,011,262,529,536 - Step 5: Solve for x
x = 85,389,451,011,262,529,536/8,534,198,863.31 - Step 6: Final answer
x = 10,005,561,433.35
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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.